“Peningkatan Proses dan Hasil belajar IPA Menggunakan Model Problem Based Learning di Kelas V Sekolah Dasar” (2025) INNOVATIVE SCIENCE AND TECHNOLOGY LEARNING JOURNAL, 1(1), hlm. 14–18. Tersedia pada: https://ejournal.denusantara.id/index.php/istlj/article/view/113 (Diakses: 20 Juli 2026).