(3gjOLQ(B,?(3QGYi GdhLhO (B/ s - (3eLGgO YHOGdefYe eLGgOs ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1983)
Keywords: (3GdadSaIs; (3GdadSaI GdhLhOjIs; (3GdadSaI GdZQHjIs; (3gjOLQs