(3GfgjGQ GdfXGe GdGYdGei GdOhdi ef GdSjWQI GdKfGFjI Gdi gjefI GdbWH GdhGMO (B/ s - (3aGQhb GHhRjOs ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1991)
Keywords: (3GdJdjaRjhfs; (3GdUMGaIs; (3GdGJUGds; (3GdGYdGes; (3hSGFd GdGYdGes; (3hcGdGJ GdGfHGAs