(3MVGQJfG Hjf GdYQGbI hGdJaJM (B/ s - (3YHOg HOhis ([S.N] : (3eWHhYGJ LGeYI GdchjJ , s, 1990)
Keywords: (3JGQjNs; (3GdGSdGes; (3GdMVGQIs; (3GdOjGfGJs; (3GdSfI GdfHhjIs; (3GdMOjK GdfHhis; (3GdbQGfs