A. Eka Anggraini, O. Mela Cikal Santoso, S. Afida Kumala, and R. Sukma Indra Dewi, “Differences in the Effectiveness of Utilizing Whatsapp Group in Synchronous and Asynchronous Class III Online Learning at SDN Ardimulyo 01”, KSS, vol. 8, no. 8, pp. 1–12, May 2023.