Sulha, Alice Hijrah, Anelsa Kintan Famela, and Anggi Tri Annisa Harahap. “The Implementation of Synchronous and Asynchronous Learning in English As Foreign Language Setting”. ETDC: Indonesian Journal of Research and Educational Review 1, no. 1 (December 27, 2021): 17–27. Accessed October 8, 2025. https://www.etdci.org/journal/ijrer/article/view/50.