(3GdEYQGH GdeaUd dcJGH Gddg GdeQJd (B:s ((3ef ShQI GdaGJMI Edi fgGjI ShQI GdHbQI(B) /s - (3UGdM, HgLJ YHO GdhGMOs ((3YeGf (B- (3GdCQOf (B:s (3OGQ GdacQ ddfTQ hGdJhRjY,s, 1993)
(3eJhaQ aj GdecJHI GdeLdO GdChd abW(B.s
Keywords: (3CdaGX bQBfjIs -- (3EYQGH GdbQBfs