(3fXQjGJ GdJYde (B: (3OQGSI ebGQfI (B( (3YGde GdeYQaI (B70 ) / s - (3ZGROG, LhQLs ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1983)
Keywords: (3GdJYdjes; (3GdYdGbGJ GdGfSGfjIs; (3GdHjFI hGdGfSGfs; (3Yde GdfaS GdGLJeGYis; (3GdJSGeM GdOjfis; (3GdJcja GdGLJeGYis; (3GdSdhc GdfaSis; (3GdJYdje (B- (3GZQGVg hGgOGags