Ulum, M. M., dan A. H. Muhammad. “The Effect of E-Learning Technology (Media LCD Projector) on Achievement in the Class IX Learning SKI (History of Islamic Culture) in MTsN 2 Ponorogo”. EDUCAN : JURNAL PENDIDIKAN ISLAM, vol. 4, no. 1, Februari 2020, hlm. 64-80, doi:10.21111/educan.v4i1.3991.