Faz Cevallos WE, Fuentes Gavilanez LE, Hidalgo Mayorga M, Guerrero Arrieta KG. Government procurement in Ecuador: analysis and perspective . uct [Internet]. 2023May31 [cited 2024Sep.16];27(119):127-36. Available from: https://uctunexpo.autanabooks.com/index.php/uct/article/view/714