(3GdJfhje GdeZfGWjSj (B: s (3GdJOGhj HGdGjMGA GdQhMj (B/ s - (3QhjMI, Gejf s ((3HZOGO(B[(3GdYQGb(B] : s (3ecJHI GdfgVI, s, 1987)
Keywords: (3GdJfhje GdeZfGWjSjs