(3gjLd (B: s (3GdefgL GdLOdj YfO gjLd(B/ (3OQGSGJ gjLdjI(B/ (3OQGSGJ aj GdadSaI GdSjGSjI (B/ s - (3EeGe, EeGe YHO GdaJGMs ((3GdbGgQI (B: s (3ecJHI eOHhdj, s, 1997)
Keywords: (3GdadSaI GdCdeGfjI(B. s; (3gjLd(B. s; (3GdadGSaI(B. s; (3GdJQGLe(B. s