Karwadi, Tamara, Kartono Kartono, and Rio Pranata. “Kevalidan LKPD Berorientasi Model Problem Based Learning Materi Gaya Kelas IV SDN 24 Pontianak Tenggara”. AS-SABIQUN 6, no. 3 (May 1, 2024): 364-381. Accessed November 7, 2026. https://ejournal.ipn.ac.id/index.php/assabiqun/article/view/4606.