Short coverings in tridimensional spaces arising from sum-free sets. - Emerson L. Monte Carmelo; I. N. Nakaoka (Eur. J. Comb., 2008)

A covering problem over finite rings. - Irene N. Nakaoka; Otávio J. N. T. N. dos Santos (Appl. Math. Lett., 2010)

Cyclic covering of a module over an Artinian ring. - Otávio J. N. T. N. dos Santos; Irene N. Nakaoka (Int. J. Algebra Comput., 2016)

On groups whose commuting graph on a transversal is strongly regular. - Julio C. M. Pezzott; Irene N. Nakaoka (Discret. Math., 2019)

Polarity graphs and C4-free multipartite graphs. - Claudia J. F. Gonçalves; Emerson L. Monte Carmelo; Irene N. Nakaoka (LAGOS, 2021)

On pseudo-conjugation actions of finite groups and related topics. - T. L. B. Almeida; Ali Reza Moghaddamfar; I. N. Nakaoka (Int. J. Algebra Comput., 2025)