Eviliyanto, Eviliyanto, and Endah Evy Nurekawati. “Penerapan Model Problem Based Learning Terhadap Hasil Belajar Mahasiswa Semester 5 Program Studi Pendidikan Geografi”. Edukasi: Jurnal Pendidikan 14, no. 2 (February 4, 2017): 212–222. Accessed April 8, 2025. https://journal.upgripnk.ac.id/index.php/edukasi/article/view/355.