(3ChbahG gPG GdYHK HGdJQGK (B:s (3ebGdGJ hcdeGJ aj JMbjb cJH GdJQGK hGdOaGY Yfg (B/s - (3Bd TGcQ, eMeO YHO Gddgs ((3HjQhJ (B:s (3OGQ GdeYGdj,s, 1997)
Keywords: (3GdeNWhWGJs -- (3JMbjbs