(3GaZGfSJGf hGdGOH GdYQHi YHQ GdYUhQ (B/ s - (3eMeO GeGf UGais ([S.N] : (3GdecJHI GdSdajI , s, 1988)
Keywords: (3GdGOH GdYQHis; (3GaZGfSJGfs; (3JGQjN hfbOs