KURNIAWATI, Astin. Penerapan Model Pembelajaran Problem Based Learning Dalam Meningkatkan Motivasi Dan Hasil Belajar Biologi. Prosiding Seminar Nasional Pendidikan Profesi Guru, [S. l.], v. 1, n. 2, p. 3814–3819, 2023. Disponível em: https://conference.upgris.ac.id/index.php/psnppg/article/view/5716. Acesso em: 28 apr. 2025.