Karnadi, Zul, Hartini Haritani, and Muhammad Khaerul Wazni. “Pengaruh Model Pembelajaran Problem Based Learning (PBL) Dan Motivasi Belajar Terhadap Hasil Belajar IPA Siswa SD: Indonesia”. Educatio 20, no. 3 (December 28, 2025): 643–650. Accessed December 29, 2025. https://e-journal.hamzanwadi.ac.id/index.php/edc/article/view/31312.