(3GdMjhGf (B: s (3ahGFOg h CKQg aj YdGL GdEfSGf (B/ s - (3GdMGjc, fUQ Ydjs ((3OeTb (B:s (3OGQ GdTLQI ddfTQ hGdJhRjY,s, 2000)
Keywords: (3GdfU GdTYHjs; (3GdYdGL GdWHjYjs; (3GdMjhGfGJs