Turriago Hoyos, A. (2003). Some aspects of technological innovation and activities in Colombia comparison with three Latin American countries. Facultad de Ciencias Económicas y Administrativas.

Turriago Hoyos, Álvaro. Some Aspects of Technological Innovation and Activities in Colombia Comparison with Three Latin American Countries. Bogotá (Colombia): Facultad de Ciencias Económicas y Administrativas, 2003.

Turriago Hoyos, Álvaro. Some Aspects of Technological Innovation and Activities in Colombia Comparison with Three Latin American Countries. Facultad de Ciencias Económicas y Administrativas, 2003.