(3GdYdGbGJ GdELJeGYjI aj GdESdGes - (3YHGS Ydi GdehShis ((3HjQhJ (B:s (3eDSSI GdUQGW GdeSJbje,s (3OGQ GdeQJVi,s, 1988)
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdGSdGe hGdeLJeYs -- (3GdCNdGb hGdGOGH GdGSdGejIs