(3JbGQjQ HMK GdJQGK hGdJZjQ GdGLJeGYi(B.s (3GdcJGH GdKGef YTQ,s (3KbGaI GdJMGjd (B: (3OQGSI ejOGfjI dfeGPL ef GdJLeYGJ GdYThGFjI HGdbGgQI GdcHQi (B/ s - (3gfGA GdLhgQis ((3GdbGgQI (B: s (3eQcR GdHMhK hGdOQGSGJ GdGLJeGYjI,s, 2004)
Keywords: (3GdfUH hGdGMJjGds; (3GdYThGFjGJs; (3GdZT hGdJOdjSs