Hasnawati. “Upaya Meningkatkan Hasil Belajar Siswa Melalui Penerapan Model Pembelajaran Problem Based Learning (PBL) Pada Materi Dasar-Dasar Pakan Ternak”. Jurnal Kinerja Kependidikan (JKK): Facilities of Educator Career and Educational Scientific Information, vol. 6, no. 1, Aug. 2025, https://journalserambi.org/index.php/jkk/article/view/254.