García Vicente, Sergio, Agustín Llopis González, and María Morales Suárez-Varela. “Introduction of Voluntary Environmental Management Systems into the Spanish Hospital Network: Current State (2015)”. Spanish Journal of Environmental Health 16, no. 2 (December 15, 2016): 92–102. Accessed November 7, 2026. https://ojs.diffundit.com/index.php/rsa/article/view/801.