Zambrano Falcones CV, Vera Loor RY. Contribution of control prior to payment of works contractors: Municipality canton Pichincha Manabí. CCD [Internet]. 2022May30 [cited 2024Nov.22];5(2.1):222-40. Available from: https://cienciadigital.org/revistacienciadigital2/index.php/ConcienciaDigital/article/view/2204