(3GdMbhb GdYjfjI GdCUdjI (B/ s - (3aQL, Jhajb MSf s ((3GdEScfOQjI, eUQ (B: s (3eDSSI GdKbGaI GdLGeYjI, s, 1983)
Keywords: (3GdedcjI s -- (3bhGfjf hJTQjYGJs -- (3eUQ s; (3GdMbhb GdYjfjI GdCUdjI s -- (3eUQ s; (3GdbGfhf GdeOfjs -- (3eUQ s