Afifah, N., Putri, N. D., Maheta Anisa Haqqu and Setiaji, B. (2021) “Feasibility Analysis of Animation Video Learning Media Based Powtoon on Lagrange Mechanics”, Impulse: Journal of Research and Innovation in Physics Education, 1(2), pp. 103–113. doi: 10.14421/impulse.2021.12-06.