Urgilés Martínez, N.S. and Ortega-Castro, J.-C. 2021. Criteria for selecting qualified labor for a construction project of sewerage and drinking water networks in the city of Cuenca. ConcienciaDigital. 4, 3 (Jul. 2021), 40-53. DOI:https://doi.org/10.33262/concienciadigital.v4i3.1763.