Winarti, W., 		Afifah, D., 		Pebriani, L., 		Putri, I., & 		Suja’i, I.
2021 Mar 29.  Study of Independence Student’s Online Learning During Covid-19 Pandemic. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC). [Online] 1:1