(3GdYR h GdfUQ h GdbOhI aj GdSGOI h GdCHQGQ GdTgOGA bGOI eDJI (B/ s - (3GdRHf, YOfGf SGQj YHO Gddgs ((3YeGf (B:s (3GdeDda,s, 2000)
Keywords: (3GdJQGLes; (3GdbGOI GdOjfjhfs