(3GdacQ GdYQHj GdKhQj GeG JMOjGJ GdeQMdI(B/s - (3GdjGS aQLs ((3HjQhJ(B[(3dHfGf(B]:s (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ,s, 1970)
Keywords: (3GdHdGO GdYQHjIs