(3GdeSQM GdLRGFQj Hjf GdeGVj h GdMGVQ (B/s - (3QeVGfj,HhYdGe s ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1981)
Keywords: (3GdeSQMs; (3GdeSQM GdLRGFQjs