(3Gdfeh GdHOfj YfO GdWad (B/ s - (3GdYhGedI, MGHS SdjeGfs ((3YeGf (B:s (3GdCgdjI ddfTQ h GdJhRjY,s, 1993)
Keywords: (3GdWads; (3GdOQGSIs; (3GdCWaGds