(3GdeDJda hGdeNJda ddOGQbWfj (B/s - (3GdOGQbWfj, Ydj Hf YeQ Hf CMeO,s 306-385 (3g`(B.s; (3GHf YHO GdbGOQ, ehab Hf YHO Gddgs ((3HjQhJ (B:s (3OGQ GdZQH GdESdGej,s, 1986)
Keywords: (3GdMOjKs -- (3GdeDJda hGdeNJdas