Faz Cevallos, Wilson Eduardo, Lenin Estalin Fuentes Gavilanez, Mariela Hidalgo Mayorga, and Katherine Geovanna Guerrero Arrieta. “Government Procurement in Ecuador: Analysis and Perspective ”. Universidad Ciencia y Tecnología 27, no. 119 (May 31, 2023): 127-136. Accessed June 23, 2025. https://uctunexpo.autanabooks.com/index.php/uct/article/view/714.