Lumban Gaol, S. P., Kandowangko, N. Y., Djapri, N., & Lamatenggo, N. (2026). A Synthesis of the ADDIE Model and Pustekkom: Development of the “SAHAT” Interactive Multimedia Tool for Christian Religious Education in Elementary Schools. FIKROTUNA: Jurnal Pendidikan Dan Manajemen Islam, 15(02), 737–762. https://doi.org/10.32806/jf.v15i02.2295