Amidst the challenges posed by the Covid-19 pandemic, this study investigates the impact of Problem-based Language Learning (PBLL) using DingTalk on enhancing Business English Writing skills among Chinese undergraduates. Employing a mixed-method approach, the research involved two phases. In the quantitative phase, a twelve-week quasi-experimental…

English language writing is seen as one of the most difficult skills for undergraduate students. When composing a piece of writing, students usually face various problems ranging from grammatical aspects to expressing ideas and opinions. To answer the research questions, this study employed a mixed method of both qualitative and quantitative…