All India winter school in discrete mathematics conference (1989 : Pune) topics in discvete mathematics codes, tableacus, designs, and graphs : proceedings of all India winter schoolin discrete mathematics, university of Pune, Pune 411007 (9-23 Nov. 1989) - Singhi, N M .; Krishnan, N S Gopala .; Kulkarni , D M .; Katre, S A . (New Delhi : New Age International, 1997)
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Keywords: DISCRETE MATHEMATICS