Castillo Urco, E.J. and Ibarra Sandoval, F.L. 2023. Factors associated with the survival of foundations in Tungurahua. Espí­ritu Emprendedor TES. 7, 3 (Jul. 2023), 39–57. DOI:https://doi.org/10.33970/eetes.v7.n3.2023.348.