Reflianto, Punaji Setyosari, Dedi Kuswandi, and Utami Widiati. 2022. “English Teachers’ Competency in Flipped Learning: Question Level and Questioning Strategy in Reading Comprehension”. International Journal of Instruction 15 (1):965-84. https://e-iji.net/ats/index.php/pub/article/view/485.