HILMA INNAYAH PUTRI; KEYSHA KHOLILLAH ALQINDY; LISA NABILAH; SHAFA KAMILA PUTRI ANGGRAINI; NURDIANSYAH. Development of Problem-Based Learning Strategies to Deepen Elementary School Students’ Understanding of Social Studies Concepts. COMPETITIVE: Journal of Education, [S. l.], v. 4, n. 2, p. 97–106, 2025. DOI: 10.58355/competitive.v4i2.99. Disponível em: https://competitive.pdfaii.org/index.php/i/article/view/99. Acesso em: 22 may. 2025.