(3eda GdKeGfjfGJ Yf MQH GdeNGHQGJ (B/ s - (3SYjO GdLRGFQis ([S.N] : (3OGQ GdLjd ddfTQ hGdJhRjY , s, 1989)
Keywords: (3GdeGfjGs; (3GdGJMGO GdShajJis; (3GdhdGjGJ GdeJMOI GdGeQjcjIs; (3GdeNGHQGJs; (3GSQGFjds; (3GhQHGs