(3YdeGA h EcJTGaGJ (B/ s - (3HQhjd, dhjS Ois; (3GdCJGSj, eMeO hGFds ((3OeTb (B:s (3hRGQI GdKbGaI,s, 1986)
Keywords: (3GdYdeGAs; (3GdEcJTGaGJ GdYdejIs; (3GdENJQGYGJs