(i) 2006
Research article
1. Star operation and completeness, ( with B.K.Lahiri, A.Sen ), National academy of Science Letters , vol, 29, no. 11&12, 2006, 439-443.
Research article
1. Star operation and completeness, ( with B.K.Lahiri, A.Sen ), National academy of Science Letters , vol, 29, no. 11&12, 2006, 439-443.