Lira, Nuraeni. “MENINGKATKAN HASIL BELAJAR IPA MELALUI MODEL PEMBELAJARAN BERBASIS MASALAH”. Global Journal Teaching Professional 2, no. 4 (September 23, 2023): 1497–1507. Accessed May 9, 2026. https://jurnal.sainsglobal.com/index.php/gpp/article/view/1167.