Applying e-Portfolios in Improving Writing Skills for Economics Students in Blended Learning Environment in Vietnam

The study aimed to evaluate the effectiveness of applying online portfolios (e-Portfolios) in teaching and learning writing skills among Vietnamese students at economics universities that have implemented blended learning since the COVID-19 period. An experimental study utilizing both quantitative and qualitative data collection and analysis was conducted with two groups of participants from different economics universities in Vietnam. The goal was to provide reliable and highly applicable findings on writing skills based on the framework of the Vietnamese Standardized Test of English Proficiency (VSTEP). The research results confirmed that the application of online platforms offers certain benefits and enhances business learners' writing skills, provided that both teachers and students follow a structured procedure.