Nguyen , Phuong Bao Tran, et al. “Vietnamese Students’ Voices on the Strengths and Weaknesses of a Newly Formed CLIL Program in a Regional Public University”. International Journal of Instruction, vol. 16, no. 3, July 2023, pp. 877-96, https://e-iji.net/ats/index.php/pub/article/view/112.