(3HMhK hOQGSGJ ai Yde GdfaS (B/ s - (3YRJ YHOGdYXje GdWhjds ([S.N] : (3OGQ GdeWHhYGJ GdLOjOI , s, 1981)
Keywords: (3Yde GdfaSs; (3Yde GdfaS GdJQHhis; (3GdPcGAs; (3GdGOQGcs; (3GdJPcQs