Gulo, Hardi, and Toroziduhu Waruwu. 2026. “Studi Model Pembelajaran Problem Based Learning Terhadap Motivasi Dan Minat Belajar IPA Siswa”. JIIP - Jurnal Ilmiah Ilmu Pendidikan 9 (2):2409-12. https://doi.org/10.54371/jiip.v9i2.10780.