Nurhafiza N, Armiati A. Motivasi Belajar Siswa Kelas XI melalui Model Pembelajaran Problem Based Learning Berbantuan Media Powtoon di Sma Pertiwi 1 Padang. jptam [Internet]. 2023 Nov. 6 [cited 2025 Feb. 5];7(3):24616-22. Available from: http://jptam.org/index.php/jptam/article/view/10500