(3GdeSQMjI GdYQHjI(B: (3GdMbjbI GdJGQjNjI hGdRja Gdafi (B/ s - (3YUGe GdOjf GHhGdYdGs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1992)
Keywords: (3GdGOH GdYQHis; (3GdeSQMjGJs; (3JGQjN hfbOs