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

Fuzzy clustering as a new grouping technique to define the business size of SMEs through their financial information. - Gerardo Reyes-Ruiz; Marisol Hernández-Hernández (J. Intell. Fuzzy Syst., 2021)