(3GdhLjR aj GdJTQjYGJ GdJLGQjI GdCQOfjI (B: s (3eHGOF GdbGfhf GdJLGQj (B: (3GdTQcGJ GdJLGQjI (B: (3GdChQGb GdJLGQjI hGdYedjGJ GdeUQajI (B/ s - (3RjGOGJ, CMeOs; (3GdYehT, EHQGgjes ((3YeGf (B: s (3OGQ hGFd, s, 1996)
Keywords: (3GdHfhc(B. s; (3GdbGfhf GdJLGQj(B. s; (3bGfhf GdTQcGJ(B. s; (3GdCQOf(B. s