(3fNdI GdJeQ (B: s (3QRGYJgG (B- (3QYGjJgG h EfJGLgG aj GdhWf GdYQHj (B/ s - (3EHQGgje, YGWa eMeOs; (3Ndja, eMeO fXja MLGLs ((3GdEScfOQjI (B:s (3efTCI GdeYGQa,s, 1993)
Keywords: (3GdJehQs; (3GdHdOGf GdYQHjIs; (3GdfNjds