SIMANJUNTAK, L.; SIDABUTAR, H. . The effectiveness of biology learning in the materials of the respiration system based on integrated multimedia character education at SMAN 2 Percut sSi Tuan T.P 2021/2022. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 9, p. 618–622, 2022. DOI: 10.55904/educenter.v1i9.381. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/381. Acesso em: 2 dec. 2024.