Zakharia, Elia. “Pengaruh Penerapan Invitation Dialog Pada Online Course”. Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen 7, no. 2 (September 25, 2017): 174–184. Accessed October 12, 2025. https://ojs.stmikplk.ac.id/index.php/saintekom/article/view/43.