IRPAN SUMARTONO; AI MAHMUDATUSSA’ADAH. Improving Student Learning Outcomes Using Video Media on Elements, Compounds, and Mixtures for Class VIII. Co-Catalyst: Journal of Science Education Research and Theories, [S. l.], v. 2, n. 2, p. 87–97, 2025. DOI: 10.33830/cocatalyst.v2i2.11475. Disponível em: https://jurnal.ut.ac.id/index.php/co-catalyst/article/view/11475. Acesso em: 5 feb. 2026.