(3GdReNTQi dZhjG heaSQG (B/ s - (3eQJVi GjI Gddg RGOg GdTjQGRi s; (3MSjf fUGQs ((3GdbGgQI (B: s (3OGQ GdKbGaI ddWHGYI hGdfTQ ,s, 1977)
Keywords: (3JGQjNs; (3GddZI GdYQHjIs; (3GddZhjhfs; (3GdReNTQis