(3GdeOfjI hGdSdWI aj GdGSdGe(B:s (3fehPL GdLRGFQ aj GdYgO GdYKeGfj(B/s - (3MehTj,eUWai GMeOs ((3OeTb(B:s (3OGQ GdHTGFQ,s, 1999)
Keywords: (3GdLRGFQ(B-(3JGQjNs -- (3GdYgO GdYKeGfjs