WEBBALL : 8776, type : Thesis, mots-clés : nea;sdn;edc;lng;scl;y.241;ths;
Langue du texte : en

Hibir, Babiker Idriss el (1976). Sources of common errors in written English of Sudanese secondary school students. Cardiff UK : University of Wales (PhD thesis).

Date de la dernière modification : 2007-06-26