Lira, Werney, Francisco Vanderson de Moura Alves, Pedro de Alcântara dos Santos Neto, Ricardo de Andrade Lira Rabelo, and Ricardo de Sousa Britto.
" Effort Estimation in Agile Software Projects Using Kohonen Maps." <em>Proceedings of the 14th Brazilian Symposium on Software Quality,
Manaus, 2015</em>. SBC, 2015,  
pp.19-33.