Valdivia Valdés, M.F. and Calderón Leiva, J.C. 2017. Actions to raise awareness of environmental education in the Natividad community of La Sierpe Municipality. Revista Universitaria del Caribe. 17, 2 (Feb. 2017), 58–64. DOI:https://doi.org/10.5377/ruc.v17i2.3239.