Ryandi Halomoan, Riswan Efendi, Lelya Hilda, Silvia Elastary Matondang, and Desi Lisa Rosanna. “Penerapan Model Contextual Teaching and Learning (CTL) Untuk Meningkatkan Pemahaman Konsep Pada Materi Asam Basa Di MAN 1 Padangsidimpuan”. Science Education and Development Journal Archives 4, no. 1 (March 30, 2026): 16–23. Accessed May 31, 2026. https://ejournal.imbima.org/index.php/sendja/article/view/672.