Santia, Andini, Mawardi Mawardi, Okta Suryani, and Reza Akmar. “The Atomic Structure Learning System With Flipped Guided Inquiry on Discord: A Development Study”. International Journal of Educational Research Excellence 4, no. 2 (July 21, 2025): 422–432. Accessed February 10, 2026. https://ejournal.ipinternasional.com/index.php/ijere/article/view/1381.