Luna Altamirano, K.A., Yanza Nantip, J.G., Miguitama Gonzalez, D.E. and Plasencia Sagbay, G.M.P.S. 2020. Strategic plan for environmental pollution in the sand sector of the city of Cuenca-Ecuador. Visionario Digital. 4, 1 (Jan. 2020), 06-22. DOI:https://doi.org/10.33262/visionariodigital.v4i1.1064.