Puspitarini, Dyah. “Blended Learning As a 21st Century Learning Model”. Ideguru: Jurnal Karya Ilmiah Guru 7, no. 1 (January 1, 2022): 1-6. Accessed March 29, 2024. https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/307.