Saferlin, Dian, Syamsu Qamar Badu, Perry Zakaria, and Putri Ekawati Kobandaha. “Influence of the Instagram-Assisted Flipped Classroom Learning Model on Students’ Mathematical Communication at Middle School ”. ETDC: Indonesian Journal of Research and Educational Review 4, no. 3 (June 27, 2025): 665–675. Accessed August 3, 2025. https://www.etdci.org/journal/ijrer/article/view/3167.