(3GdHjJhJI (B/s - (3GdNQSGfj, eMeO Hf ESMGb Hf EHQGgje,s 216-313 (3g`(B.s; (3GHf GdefOhg, MSf Hf Cejfs ((3GdbGgQI (B:s (3OGQ GdQjGf ddJQGK,s, 1987)
Keywords: (3GdMLs; (3GdYHGOGJ (B((3abg ESdGej(B)s