Halidin, Halidin. “Mengukur Efektivitas Model Virtual Flipped Classroom Terhadap Hasil Belajar Matematika”. SAINTIFIK 9, no. 2 (July 31, 2023): 307 - 314. Accessed May 17, 2024. https://jurnal.unsulbar.ac.id/index.php/saintifik/article/view/448.