SUPRIYATIN; NURNAWATI; ERNA. PENGARUH PENERAPAN ACTIVE, JOYFUL, AND EFFECTIVE LEARNING (AJEL) PADA MATERI PERUBAHAN LINGKUNGAN TERHADAP SIKAP PEDULI LINGKUNGAN SISWA. Biosfer: Jurnal Pendidikan Biologi, [S. l.], v. 9, n. 2, p. 69–75, 2018. DOI: 10.21009/biosferjpb.9-2.10. Disponível em: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/5571. Acesso em: 22 nov. 2024.