HARYATI, HARYATI. “PENINGKATAN HASIL BELAJAR SISWA PADA MATA PELAJARAN IPS DENGAN MODEL PROBLEM BASED LEARNING”. Jurnal Ilmiah IPS dan Humaniora (JIIH) 1, no. 1 (February 20, 2023): 8–14. Accessed October 22, 2026. https://jurnalcendekia.id/index.php/jiih/article/view/30.