by Freire, Igor L., Mancera, Paulo F. A.
Published in Computational & applied mathematics (01.09.2017)

by Rossi, Luciano, Freire, Igor L., Mena-Chalco, Jesús P.
Published in Journal of informetrics (01.05.2017)

by Mogorosi, Tshepo E., Freire, Igor L., Muatjetjeja, Ben, Khalique, Chaudry Masood
Published in Applied mathematics and computation (01.01.2017)

by Rossi, Luciano, Damaceno, Rafael J.P., Freire, Igor L., Bechara, Etelvino J.H., Mena-Chalco, Jesús P.
Published in Journal of informetrics (01.11.2018)