Gụọ amaokwu dị n'okpuru ebe a ma zaa ajụjụ a na-eso ya n'otu asụsụ ahụ dị n'amaokwu ahụ: Amaokwu: SIL International (nke a na-akpọbu Summer Institute of Linguistics) bipụtara Ethnologue, bụ òtù na-ahụ maka asụsụ Ndị Kraịst nke nwere ọfịs mba ụwa na Dallas, Texas. Ajụjụ: Gịnị ka a na-akpọbu onye nkwusa ahụ?
Ụlọ akwụkwọ Summer Institute of Linguistics