World illiteracy at mid-century : a statiscal studio.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: UNESCO
Hōputu: Pukapuka
Reo:Ingarihi
Rangatū:(Monographs on fundamental education ; no. 11)
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!