Lina, Marisa Fran. “Maximizing WhatsApp Group for Students Group Presentation in Learning English Online”. INSANIA : Jurnal Pemikiran Alternatif Kependidikan 26, no. 2 (December 31, 2021): 175–190. Accessed July 4, 2025. https://ejournal.uinsaizu.ac.id/index.php/insania/article/view/5237.