(3MOGKI GdSDGd HNUhU GdMOGKIGdYQHjI ai GdTYQ hGdKbGaI (B/ s - (3eMeO HfjSs ([S.N] : (3GdeQcR GdKbGai GdYQHi , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3JGQjN hfbOs