Windiarti, Sutri, Nurul Fadilah, Eka Dhermawati, and Bambang Widi Pratolo. 2019. “Teachers’ Perception Toward the Obstacles of E-Learning Classes”. Ethical Lingua: Journal of Language Teaching and Literature 6 (2), 117-28. https://doi.org/10.30605/25409190.v6.117-128.