(3NWQ GdeQHjGJ ZjQ GdeSdeGJ Ydi GdWad GdeSde (B/ s - (3GdTfJhJ, NGdO CMeOs ((3LOg (B:s (3OGQ GdeLJeY ddfTQ hGdJhRjY,s, 1992)
Keywords: (3GdCWaGds; (3GdHdOGf GdYQHjIs; (3GdESdGes; (3GdeQHjGJ GdCLfHjGJs