Subagiyo, Sidiq. “Penerapan Model Blended Learning Untuk Meningkatkan Pemahaman Konsep Termokimia Siswa”. Journal of Educational Chemistry (JEC) 1, no. 1 (July 8, 2019): 1–8. Accessed June 29, 2025. https://journal.walisongo.ac.id/index.php/jec/article/view/3830.