00313nam a2200121 45000820008000001000024000082450075000322600021001073000010001287000024001389420012001629990017001740 a4011 aOhiri, Adam Cholong10aLanguage policy and planning in the southern sudancAdam Cholong Ohiri aKhartoumcc.1990 a92 p.1 aOhiri, Adam Cholong 2ddccBK c64007d63981