(3GLJgGOGJ eMceI GdJejjR GdLRGFjI aj bVGjG GdeWHhYGJ hGdUMGaI efP YGe (B1950 (3MJi (B1987 : s (3edMb HgG GdfUhU GdbGfhfjI GdeJYdbI HGdeWHhYGJ (B/ s - (3YGdjI, SejQ s ((3HjQhJ (B: s (3GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY, s, 1987)
(3jTJed Ydi edGMb(B. s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3GdUMGaI s -- (3bhGfjf hJTQjYGJs -- (3dHfGf s; (3GdeWHhYGJ s -- (3QbGHI s -- (3bhGfjf hJTQjYGJs -- (3dHfGf s