(3GdUQGY Hjf YHO GdcQje bGSe hGdTjhYjjf hYHO GdhgGH GdThGa hVHGW GdehUd GdhMOhjjf (B/ s - (3MSjf , Ndjd GHQGgje s ((3HZOGO (B: s (3OGQ GdMQjI , s, 1988)
(3L (B4 : (3KhQI GdThGa aj GdehUd s
Keywords: (3JGQjN s -- (3GdYUQ GdMOjK s -- (3GdYQGb s