Practicality of Contextual Learning Videos on Material Equality of Mass and Energy in Covid-19 Online Learning. Buana Pendidikan: Jurnal Fakultas Keguruan dan Ilmu Pendidikan Unipa Surabaya, [S. l.], v. 18, n. 1, p. 143–152, 2022. DOI: 10.36456/bp.vol18.no1.a5243. Disponível em: https://jurnal.unipasby.ac.id/jurnal_buana_pendidikan/article/view/5243. Acesso em: 23 jun. 2026.