(3CReI GdeQCI aj GdeLJeY GdPchQj GdYQHj (B/ s - (3jGSjf, HhYdjs ((3GddGPbjI (B:s (3OGQ GdMhGQ ddfTQ hGdJhRjY,s, 1992)
Keywords: (3GdeQCIs; (3GdHdOGf GdYQHjIs