id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
acoj-39	Hoang, Ngoc Tue; Le, Duc Hanh	Vocational English Teachers’ Challenges on Shifting Towards Virtual Classroom Teaching	2021	16	.pdf	application/pdf	8696	483	52	Keywords: challenges, online teaching, virtual classroom, Covid19, teachers’ attitudes 1. As a result, more than 100 higher education institutions in Vietnam opted for online teaching and learning, in which private universities account for 70% (MOET, 2020).	cache/acoj-39.pdf	txt/acoj-39.txt