Gaol, Lestari Lumban, and Makmur Sirait. “THE EFFECT OF BLENDED LEARNING USING SCHOOLOGY TOWARD STUDENT LEARNING OUTCOMES ON WORK AND ENERGY TOPIC IN SMAN 1 PERBAUNGAN”. JURNAL PENELITIAN BIDANG PENDIDIKAN, vol. 25, no. 1, Nov. 2019, pp. 23-29, doi:10.24114/jpbp.v25i1.15529.