(3cJGH GdGNJjGQ dJYdjd GdeNJGQ (B/s - (3GdMfaj, YHO Gddg Hf eMehO Hf ehOhO GdehUdjs 599-683 (3g`(B.s; (3GdYc, NGdO YHO GdQMefs ((3HjQhJ (B:s (3OGQ GdeYQaI,s, 1998)
Keywords: (3Gdabg GdMfajs; (3Gdabg GdESdGejs