SINAGA, Ance Delprina; ARDI, Ardi; FITRIA, Kartika. Penerapan Model Problem Based Learning Berbantuan Flashcard untuk Meningkatkan Aktivitas dan Hasil Belajar Peserta Didik Kelas XI SMA DEK Padang. Indo-MathEdu Intellectuals Journal, [S. l.], v. 6, n. 1, p. 1603–1613, 2025. DOI: 10.54373/imeij.v6i1.2735. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/2735. Acesso em: 11 may. 2025.