Lestari, Sri, Tukidi ., and Asep Ginanjar. “EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING DALAM PEMBELAJARAN IPS KELAS VII SMP TEUKU UMAR SEMARANG”. Sosiolium: Jurnal Pembelajaran IPS 1, no. 1 (May 16, 2019): 84-93. Accessed November 22, 2024. https://journal.unnes.ac.id/sju/sosiolium/article/view/30454.