Santia, A., M. Mawardi, O. Suryani, and R. Akmar. “The Atomic Structure Learning System With Flipped Guided Inquiry on Discord: A Development Study”. International Journal of Educational Research Excellence (IJERE), vol. 4, no. 2, July 2025, pp. 422-3, doi:10.55299/ijere.v4i2.1381.