Phumphanit, Yupha, Anisatur Rohmawati, and Wanida Simpol. “EFFECT OF APPLING FLIPPED CLASSROOM ON ENGLISH ACHIEVEMENT OF PRIMARY 5 STUDENTS IN COVID-19 SITUATION”. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC) 1, no. 2 (December 20, 2021): 1–10. Accessed May 25, 2025. https://journal.umg.ac.id/index.php/umgeshic/article/view/3361.