Eftri Welita, Widiawati Widiawati, Reza Lestari. Model Project Based Learning (PJBL) Terdapat Kemampuan Pemahaman Konsep Materi Limas di SMP Muhammadiyah Pagar Alam. atmosfer [Internet]. 2026 Feb. 28 [cited 2026 Jun. 10];4(1):265-72. Available from: https://pbsi-upr.id/index.php/atmosfer/article/view/1784