Sakinah RN, Dafit F. Pengaruh Model Pembelajaran Problem Based Learning terhadap Motivasi Belajar IPS Kelas VI SDN 48 Pekanbaru. jptam [Internet]. 2023 Oct. 27 [cited 2025 Feb. 5];7(3):23404-13. Available from: http://jptam.org/index.php/jptam/article/view/10324