ISEU LAELASARI; RAHMAWATI, Aulia. Analisis Penerapan Model Problem Based Learning Dalam Mengembangkan Sikap Peduli Lingkungan Siswa Pada Materi Pencemaran Lingkungan. Symbiotic: Journal of Biological Education and Science, [S. l.], v. 1, n. 2, p. 76–81, 2020. DOI: 10.32939/symbiotic.v1i2.9. Disponível em: https://symbiotic.iainkerinci.ac.id/index.php/symbiotic/article/view/9. Acesso em: 9 jan. 2026.