Adia Budjana, Achmad Anang Darmawan, and Lina Aris Ficayuma. “WHATSAPP VOICE CHAT (WVC) AS AN EFL ONLINE LEARNING MEDIA”. Journal of English Language Teaching and Islamic Integration, vol. 6, no. 2, July 2023, pp. 100-16, doi:10.5281/zenodo.10548463.