(3GdYeQGf GdHTQi ai ebOeI GHf NdOhf (B/s (3JGdja SaJjdGfG HGJSjjaG ; JQLeI QVhGf GHQGgje ; eQGLYI SejI eMeO ehSi s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)