(3GdUhGYb GdeMQbI Ydi Cgd GdQaV hGdVdGd hGdRfObI (B/s - (3GdgjJej, CHj GdYHGS CMeO Hf eMeO Hf eMeO Hf Ydj GHf MLQs 909-974 (3g`(B.s; (3GdJQcj, YHO GdQMef Hf YHO Gddgs; (3GdNQGW, cGed eMeOs ((3HjQhJ (B- (3dHfGf (B:s (3eDSSI GdQSGdI,s, 1997)
Keywords: (3GdESdGes -- (3OaY eWGYfs; (3OaGY Yf GdYbjOIs; (3OaY eWGYfs -- (3GdYbjOIs