Lailaturrahmah, Etika, Muhammad Tahir, and Awal Nur Kholifatur Rosyidah. “PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP RETENSI DAN KEMAMPUAN BERPIKIR KRITIS IPA PESERTA DIDIK SD”. Jurnal Ilmiah PENDAS: Primary Educational Journal 1, no. 1 (June 20, 2020): 1-11. Accessed July 22, 2024. https://journal.unram.ac.id/index.php/pendas/article/view/49.