On δ D -sets and associated weak separation axioms. Caldas, M.; Jafari, S. — 2002 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
F a α -irresolute mappings. Saraf, R.K.; Caldas, M.; Mishra, Seema — 2001 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Some properties of θ -open sets. Caldas, M.; Jafari, S.; Kovár, M.M. — 2004 Divulgaciones Matemáticas
On some maps concerning g α -open sets. Caldas, M.; Jafari, S.; Saraf, R.K. — 2007 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Study of ( Λ , α ) -closed sets and the related notions in topological spaces. Caldas, M.; Georgiou, D.N.; Jafari, S. — 2007 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
A note on bi-contra-continuous maps. Caldas, M.; Thivagar, M.Lellis; Rajeswari, R.Raja — 2008 Divulgaciones Matemáticas