Asrizal, Asrizal, Vivi Mardian, Fuja Novitra, and Festiyed Festiyed. 2022. “Physics Electronic Teaching Material-Integrated STEM Education to Promote 21st-Century Skills”. Cypriot Journal of Educational Sciences 17 (8):2899-2914. https://doi.org/10.18844/cjes.v17i8.7357.