“Geological-Structural Mapping of Five Communities Located Between the Volcanic Complexes Momotombo and El Hoyo: La Fuente, Tecuaname, Papalonal, Cuatro Palos and Los Portillos”. Revista Científica Agua Y Conocimiento, vol. 5, Nov. 2019, pp. 26-34, https://revistas.unan.edu.ni/index.php/RevAgua/article/view/3759.