International African Seminar,, 9, Dar es Salam,, 1968
Language use and social change : proceedings [of the] International African Seminar [...] / edited by W. H. Whiteby . - London : Oxford University Press, 1971 . - X, 406 p.


Bilinguismo
Educação
Sociolinguística

CDU 800.732(6)
CDU 801