(3OjhGf GHh GdbGSe GdTGHi (B/ s - (3GHhGdbGSe GdTGHis ([S.N] : (3OGQ GdYhOI ddUMGaI hGdWHGYg , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3GdGOH GdYQHis; (3GdYUQ GdMOjKs; (3OhGhjf hbUGFOs