Giraldo Velásquez, Claudia María, Amanda Stella Valderrama Castañeda, and Sandra Zapata Aguirre. 2015. “Airport Infrastructures: Forms of Ownership and the Relationship With Efficiency”. Revista Ingenierías Universidad De Medellín 14 (27):179-94. https://doi.org/10.22395/rium.v14n27a11.