Puji Siswanto, Arief Styo Nugroho, Obay Jambari, Usmaedi Usmaedi, and Habib Cahyono. “Using Whatsapp in Learning During Covid-19: Voices of Kindergarten Students’ Parents in Indonesia”. Jurnal Educatio FKIP UNMA 10, no. 1 (January 10, 2024): 122–130. Accessed April 26, 2025. https://ejournal.unma.ac.id/index.php/educatio/article/view/5309.