Adha, Diyaul, Kusmiyati, and Syamsul Bahri. “Pengaruh Model Problem-Based Learning (PBL) Terhadap Hasil Belajar Biologi Siswa Sekolah Menengah Atas”. Journal of Classroom Action Research 6, no. 4 (October 26, 2024): 721–726. Accessed November 5, 2024. https://jppipa.unram.ac.id/index.php/jcar/article/view/9114.