Hatmanto ED, Sari MI, Pratolo BW. Facilitating Social Presence in the Synchronous and Asynchronous English Language Class in Yogyakarta, Indonesia. JFLTL [Internet]. 2023Dec.29 [cited 2025May1];8(2):150-72. Available from: https://journal.umy.ac.id/index.php/FTL/article/view/18647