Putri, Nur Auliah Anisa, La Sunra, and Muh. Tahir. 2026. “Assessing Task-Based Language Performance through Whatsapp-Mediated Interaction: A Qualitative Study of Authentic Assessment”. FOSTER: Journal of English Language Teaching 7 (4):1298-1314. https://doi.org/10.24256/foster-jelt.v7i4.477.