(3GdHQgGf aj Ydhe GdbQBf (B- (3GdeLdO GdKGdKs - (3GdRQcTj(B. (3HOQGdOjf eMeO Hf YHOGddgs ((3OGQ GdacQs (3HjQhJs, 1988)
(3GdcJGH jbY aj GQHYI eLdOGJ (B- (3e(B.(3GdGhd (B3189- (3e(B.(3GdKGfj (B3190- (3e(B.(3GdKGdK (B3191- (3e(B.(3GdQGHY (B3192s
Keywords: (3Mce GdbQBf GdcQjes; (3GdbQBf GdcQje (B- (3Mce s