(3QSGid GdGNhGf aj adSaI GdLeGd hGdMHs - (3GdQGaYj,eUWai UGObs ((3HjQhJ(B:s (3OGQ GdcJGH GdYQHj,s, 1974)
Keywords: (3GdQSGid GdYQHjIs