(3ef ajjfG Edi ajjfG (B: s (3aj NGWQI GdMGL Edi CbOS eWGa (B/ s ((3GdEeGQGJ , s, 2000)
Keywords: (3GdQMdGJ GdYQHjI; GdJMbjb GdCOHj; GdJGQjN GdMOjKs