Studies of error gravity :
Studies of error gravity : native reactions to errors produce by Swedish learners of english / Stig Johansson - Göteborg (Suecia) : English Department of Gothenburg University, 1978 - ii, 138 p. : il. ; 22 cm - Gothenburg Studies in English. 44 .
INGLÉS--ESTUDIO Y ENSEÑANZA
LINGUISTICA COMPARADA
820.8