Hussain, Shahbaz, Intzar Hussain Butt, and Shahzada Qaisar. “Effect of Flipped Classroom Approach (FCA) on Grade 9 Students’ Academic Achievement in the Subject of Chemistry”. Annals of Human and Social Sciences 4, no. 4 (November 28, 2023): 412–419. Accessed July 3, 2024. https://ojs.ahss.org.pk/journal/article/view/403.