SETIANTI, Ning. Instructional Packages Geography Based on Ecosystem (PIGeoEk) Development in Improving Students’ Knowledge About Ecosystem Concepts and Relation to Students’ Environmental Behavior. IJEEM - Indonesian Journal of Environmental Education and Management, [S. l.], v. 3, n. 1, p. 1–22, 2018. DOI: 10.21009/IJEEM.031.01. Disponível em: https://journal.unj.ac.id/unj/index.php/ijeem/article/view/5621. Acesso em: 6 nov. 2024.