(3GdMjGI GdGOHjI(B: (3YUQ Hfi GejI (B/ s - (3eMeO YHOGdefYe NaGLis ([S.N] : (3OGQ GdcJGH GddHfGfi , s, 1987)
Keywords: (3GdGOH GdYQHis; (3JGQjN hfbOs