Health behaviour in school children : a WHO cross national survey : a short introduction to principles and methods

by Leif Edvard Aarø and Bente Wold
Bok · Engelsk · 1985

Utgitt	Bergen : Universitetet , 1985
Omfang	37, 16 s. : ill
Opplysninger	Over tittelen: 12th World Conference on Health Education, 1-6 September 1985, Dublin, Ireland.