Nur, Syamsiara, PujiastutiIndah Panca, and RahmanSari Rahayu. “Efektivitas Model Problem Based Learning (Pbl) Terhadap Hasil Belajar Mahasiswa Prodi Pendidikan Biologi Universitas Sulawesi Barat”. SAINTIFIK 2, no. 2 (July 2, 2016): 133-141. Accessed April 9, 2020. https://www.jurnal.unsulbar.ac.id/index.php/saintifik/article/view/105.