(3gDdGA GdQLGd ef eUQ (B/ s - (3deYi GdeWjYis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1993)
Keywords: (3GdGOH GdYQHis; (3GYdGe GdYQHs; (3GdGOHGA GdYQHs; (3JGQjN hfbOs