00264nam a2200097   45000820010000001000019000102450096000292600011001253000011001367000019001470 a496.51 aYor-Ayik, Arop10aLanguage situation and language planning in the southern region of the sudancArop Yor-Ayik  cc.1986  a120 p.1 aYor-Ayik, Arop