Camacho Kurmen, Judith Elena, and Ana Graciela Lancheros. “The Creation and Use of Environmental Education Programs Is a Key Element for the Effective Implementation of an Environmental Management System”. NOVA Biomedical Sciences Journal 6, no. 9 (June 15, 2008): 55–64. Accessed May 16, 2026. https://hemeroteca.unad.edu.co/index.php/nova/article/view/396.