Meningkatkan Prestasi dan Keaktifan Belajar Siswa SMP Negeri 13 Madiun melalui Program Adiwiyata. Jurnal Tadris Matematika, [S. l.], v. 2, n. 1, p. 1–10, 2019. DOI: 10.21274/jtm.2019.2.1.1-10. Disponível em: https://ejournal.uinsatu.ac.id/index.php/jtm/article/view/1447. Acesso em: 9 feb. 2026.