HAMONANGAN, R. P.; GULTOM, M. . Batak Christian Protestant Church’s View Concerning Ecology. Tumou Tou , [S. l.], v. 8, n. 1, p. 46–52, 2021. Disponível em: https://ejournal-iakn-manado.ac.id/index.php/tumoutou/article/view/473. Acesso em: 12 apr. 2026.