(3efJNHGJ ef GdTYQ GdYQHi GdMOjK (B/ s - (3dLfI GdTYQ HGdeLdS GdGYdi ddKbs ([S.N] : (3GdeLdS GdGYdi ddKbGaI , s, 1988)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdMOjKs; (3OhGhjf hbUGFOs