Bazurto, J. J. B., V. A. M. Falcones, M. R. Gámez, and M. G. V. Arvelo. “Geographic Information System for Manabí Sustainable Development”. International Research Journal of Management, IT and Social Sciences, vol. 6, no. 6, Sept. 2019, pp. 17-28, doi:10.21744/irjmis.v6n6.741.