Investigative articles

In this study, we investigated some conditions affecting the extraction of total carotenoids from R. mucilaginosa using environmentally friendly chemicals: cell disruption conditions with organic acids combined with ultrasound-assistant method, using ethanol and petroleum ether solvents to replace acetone in the process of extracting total carotenoids to obtain a benign product, easy to apply in food.

8p viling 11-10-2024 2 1   Download

This paper investigates the system performance of hybrid time-power switching based relaying (TPSR) energy harvesting enabled in the multisource half-duplex relaying network over the Rayleigh fading channel. The outage probability (OP) of the proposed system model with implementing maximal ratio combining (MRC) and selection combination (SC) technique at the receiver is presented and analyzed.

8p viling 11-10-2024 5 1   Download

The objective of this study was to investigate effect of the addition with different ratios Macadamia oil cake (MOC) on physical properties (color and texture), nutritional composition (moisture content, protein content, fat content, fiber and energy value) and sensory quality of cookies were investigated.

9p viling 11-10-2024 4 1   Download

The objective of this article is to investigate the free vibration analyses of the functionally graded magneto-electro-elastic (FG MEE) plates supported by an elastic foundation using the refined plate theory (RPT) with two variables.

12p viling 11-10-2024 2 1   Download

This study investigated the perception of students of English at Can Tho University (CTU) in learning literature in English. The study also sought teachers’ opinions and recommendations for more effective literary learning. Seventy-nine students and two teachers teaching literature were invited to participate in the study.

15p viling 11-10-2024 3 1   Download

This study aimed at investigating English-major students’ experiences with the use of digital resources for their informal language learning (ILL) at a university in Vietnam. The data collection instruments included questionnaires, which were delivered online to 91 participants, and semi-structured interviews carried out with 12 of these participants.

18p viling 11-10-2024 3 1   Download

This research aimed to investigate teachers’ perceptions and practices of projectbased learning (PBL) in teaching speaking skill at some high schools in a Central Vietnam province. The mixed methods research was adopted with the population of twenty-five teachers of English as a foreign language (EFL).

16p viling 11-10-2024 1 0   Download

This research paper investigates the role of teacher agency in the implementation of new English textbooks for Vietnamese high-school students, especially focusing on teachers’ reflection on the practical use of these textbooks. The study was conducted at four high schools located in Hue City.

11p viling 11-10-2024 2 0   Download

This study explored community members’ perceptions of service-learning (SL) activities of pre-service primary school teachers (PSTs) of a university in Vietnam. More specifically, the study aimed at investigating how community members (CMs) perceive the impacts of SL activities organized at primary school settings on primary school students and the professional development of PSTs.

15p viling 11-10-2024 3 2   Download

This study, therefore, investigated students’ evaluation of Solutions Pre-intermediate, one textbook belonging to the Solutions series. 256 non-English majors at a public university in Vietnam participated in the study and completed an online 29-item questionnaire which examined their perceptions of the organization, activities, linguistic aspects, and subject and content and their overall evaluation of the textbook.

13p viling 11-10-2024 4 1   Download

This research aims to enhance comprehension of legal texts by applying Talmy's (2017) threestep process for identifying and integrating referents from contextual cues into linguistic forms. Drawing on pragmatics, discourse analysis, cognitive semantics, and Talmy's force dynamics notion, a qualitative content analysis investigates the cognitive processes readers use for cue detection, attention allocation, and semantic integration when reading court indictments.

13p viling 11-10-2024 4 1   Download

Interactive videos have demonstrated significant potential in L2 listening instruction compared to conventional linear videos. This study investigates the efficacy of interactive videos in developing high school students' listening sub-skills.

13p viling 11-10-2024 3 1   Download

This article aims to investigate the impact of personal background characteristics on the socialization with academic aspects of ethnic minority students in higher education institutions in Ho Chi Minh City. A quantitative method was used to measure the extent of the impact of these elements.

12p viling 11-10-2024 3 1   Download

This study investigates the interaction between knowledge transfer, change management, and leadership in promoting innovation within the digital education ecosystem of Vietnamese universities.

12p viling 11-10-2024 1 0   Download

This study contributes to the scientific data on binary combinations by investigating the synergistic antibacterial activity of the binary combination of MM or MQ EOs with thymol. This research is significant as it contributes to the global effort to combat antimicrobial resistance, providing a potential solution to this pressing public health challenge.

13p viling 11-10-2024 5 1   Download

This study aims to investigate the level of academic self-efficacy, academic satisfaction, and the relationship between academic self-efficacy and academic satisfaction among Hue University students. 771 students participated in the questionnaires about academic self-efficacy and academic satisfaction. Descriptive statistics, correlation analysis, and One-way ANOVA analysis were performed to answer three research questions.

12p viling 11-10-2024 5 1   Download

The findings reveal the social capital of the Vietnamese in Poland with a striking characteristic of a high level of bonding ties, primarily relying on close relations such as family or ethnic organizations to seek support and placing a very high level of confidence in family members.

19p viling 11-10-2024 4 1   Download

The roles of the teacher and students in online language classes have been a well-researched area, yielding various insights into the potentials of online technologies and the need for a consideration of redefining classroom roles. Drawing on a case study, for particularities, this paper presents the results of an exploratory investigation into the development of classroom roles in an EFL Listening class integrating online technologies at a university.

19p viling 11-10-2024 2 1   Download

This study aims to demonstrate the numerous benefits of effective ERP system implementation from the organization's infancy to maturity. In addition, the researcher and analyst investigate the ERP system's application in numerous businesses by analyzing and reviewing previous academic journals and research.

10p vifilm 11-10-2024 1 1   Download

The research aims at investigating social-psychological orientations of HIUJLLs (Japanese Language Department learners of Hong Bang International University). A survey and a semi-structured interview are governed by 68 students ranging from 2nd to 4th academic year with various Japanese levels from elementary to advanced.

8p vifilm 11-10-2024 4 1   Download