(3JWhjQ GdeSJhi GdYdej ddWGdH GdLGeYj (B/ s - (3GdTjNdj, YHO GdbGOQs ((3YeGf (B:s (3OGQ GdacQ ddfTQ h GdJhRjY,s, 1983)
Keywords: (3GdJYdje GdYGdjs; (3GdcdjGJs; (3GdLGeYGJs