Communities of practice: a focus from complex systems. - Alejandro Barragán-Ocaña; Álvaro Quijano-Solís; Guadalupe Vega-Díaz; Benito Sánchez-Lara (Int. J. Gen. Syst., 2012)

Approach to the identification of an alternative technological innovation index. - Alejandro Barragán-Ocaña; Gerardo Reyes-Ruiz; Samuel Olmos-Peña; Hortensia Gómez-Viquez (Scientometrics, 2020)