(3GdSfI GdeWgQI hGdJMOjGJ (B/s - (3YJQ, fhQ GdOjfs ([(3O(B. (3e(B. :s (3O(B. (3f(B.](3,s, 1986)
Keywords: (3GdSfIs; (3GdTQjYI GdESdGejIs