Al-Sifaw, Saeed Ahmed Saeed, and Abdul Hakim Abdullah. 2020. “Difficulties of Applying E-Learning in Teaching Chemistry to High School Students from the Point of View of Supervisors, Teachers, and Students in Nalut, Libya”. Journal of Educational and Psychological Sciences 4 (6): 161-40. https://doi.org/10.26389/AJSRP.S210120.