(3GKQ GdYde ai GdeLJeY (B/ s - (3QSd , HQJQGfOs; (3JeGe MSGfs ((3GdbGgQI (B: s (3ecJHI fgVI eUQ , s, 1958)
Keywords: (3GdadSaIs; (3GdadSaI GdMOjKIs; (3QGSd, HQJQGfOs; (3GdadSaI GdGfLdjRjIs