Urgilés Martínez NS, Ortega-Castro J-C. Criteria for selecting qualified labor for a construction project of sewerage and drinking water networks in the city of Cuenca. CCD [Internet]. 2021Jul.5 [cited 2024Nov.22];4(3):40-3. Available from: https://cienciadigital.org/revistacienciadigital2/index.php/ConcienciaDigital/article/view/1763