Lou, Yougen, and Yongqiang Sun. “Effects of Mobile-Learning in a Flipped Classroom Model on Non-English-Majored Graduates in Graduate English”. IJRDO- Journal of Educational Research 3, no. 2 (February 28, 2018): 120-130. Accessed December 23, 2024. http://cpcontacts.ijrdo.org/index.php/er/article/view/1890.