PARDEDE, L. H.; MANURUNG, B.; SILITONGA, M. Ecoliteracy Study About Lake Toba On High School Students. Journal of Learning Improvement and Lesson Study, [S. l.], v. 4, n. 1, p. 44–50, 2024. DOI: 10.24036/jlils.v4i1.89. Disponível em: https://jlils.ppj.unp.ac.id/index.php/jlils/article/view/89. Acesso em: 26 jan. 2025.