THỊ HIỀN LƯƠNGNGUYỄN. “Combination of Vietnamese and English in Foreign Language Teaching Process”. Tạp chí Nghiên cứu Khoa học Công đoàn, no. 11 (September 26, 2019): 61. Accessed May 29, 2026. https://vjol.info.vn/DHCD/article/view/42675.