(3GSJQGJjLjI GdGOH GdUgjhfi dGQgGH GdYQH (B/s - (3UejOI (B: (3eMehO Ydis ((3GHh XHi (B:s (3eDSSI GdGJMGO ddUMGaI hGdfTQ (B: s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdGOH GdYHQis -- (3JGQjN h fbOs; (3GdfRGY GdYQHi GdGSQGFjdis