(3GdejGg aj GdTQb GdGhSW (B: s (3GdhGbY hGdJMOjGJ (B/ s - (3eQcR RGjO ddJfSjb hGdeJGHYI(B. s ((3GHh XHj (B: s (3eQcR RGjO ddJfSjb h GdeJGHYI, s, 2000)
Keywords: (3GdejGI(B. s; (3JhajQ GdejGg(B. s; (3GdhVY GdeGFj(B. s; (3GdTQb GdGhSW(B. s