(3GdWQjb Gdi GdaVjdI (B: (3fU Ujfi ebOS (B/ s - (3dhJShs; (3YdGA GdOjHs ((3GdchjJ (B: s (3OGQ SYGO GdUHGM , s, 1992)
Keywords: (3GdadSaI GdTQbjIs; (3GdcfhfahTjSjIs; (3GdadSaI GdHhPjIs