(3bhGYO GdEKHGJ aj GdehGO GdeOfjI hGdJLGQjI (B/s - (3aQL, Jhajb MSfs ((3GdEScfOQjI, eUQ (B:s (3eDSSI GdKbGaI GdLGeYjI,s, 1982)
Keywords: (3GdEKHGJ (B((3bGfhf(B)s -- (3eUQs; (3GdbVGA GdeOfjs -- (3eUQs; (3GdbGfhf GdJLGQjs -- (3eUQs