Leiva-Mas, M.J., Rodríguez-Rico, D.I. and Quintana-Pérez, D.C. 2016. CALCULATION OF THE ECOLOGICAL FOOTPRINT CENTRAL UNIVERSITY "MARTA ABREU" VILLAS. Chemical Technology. 31, 1 (Feb. 2016), 47-52. DOI:https://doi.org/10.1590/2224-6185.2011.1.%x.