Purwanto, K., Faizah, F., & Nurillah, H. (2021). ANALISIS KESULITAN BELAJAR KIMIA DALAM PEMBELAJARAN DARING SELAMA MASA PANDEMIK COVID-19. UNESA Journal of Chemical Education, 11(1), 14-22. https://doi.org/10.26740/ujced.v11n1.p14-22