(3HQJQGfO QSd (B/ s - (3eUWai ZGdHs; (3Ndjd TQa GdOjfs ([S.N] : (3OGQ ecJHI GdgdGd ddWHGYI hGdfTQ , s, 1979)
Keywords: (3GdadSaI GdGSdGejIs; (3GdadSaIs; (3gjLds; (3GdadGSaI GdeSdehfs; (3GdadSaI GdZQHjIs; (3GHhGdYdGA GdeYQis; (3GadGWhfs; (3GdadGSaI GdZQHjhfs; (3QGSd, HQJQGfOs; (3ajKGZhQSs; (3GdadGSaI GdjhfGfjhfs