EFTRI WELITA; WIDIAWATI WIDIAWATI; REZA LESTARI. Model Project Based Learning (PJBL) Terdapat Kemampuan Pemahaman Konsep Materi Limas di SMP Muhammadiyah Pagar Alam. Atmosfer: Jurnal Pendidikan, Bahasa, Sastra, Seni, Budaya, dan Sosial Humaniora, [S. l.], v. 4, n. 1, p. 265–272, 2026. DOI: 10.59024/atmosfer.v4i1.1784. Disponível em: https://pbsi-upr.id/index.php/atmosfer/article/view/1784. Acesso em: 10 jun. 2026.