Kaffah LS, Haryono H, Utanto Y. The effectiveness of the problem-based learning model assisted by stop-motion animation videos in improving the critical thinking abilities of elementary school students. Harmoni. Sos.: J. Pendidik. IPS [Internet]. 2023 Oct. 10 [cited 2025 May 13];10(2):143-52. Available from: https://journal.uny.ac.id/index.php/hsjpi/article/view/66305