1.
Fruit and Vegetable Intake in a Sample of 11-Year-Old Children in 9 European Countries: The Pro Children Cross-Sectional Survey
by Yngve, Agneta
Annals of nutrition and metabolism, 2005-01-01, Vol.49 (4), p.236-245

2.
AIDS education for primary school children in Tanzania : an evaluation study
by KLEPP, K.-I
AIDS (London), 1994, Vol.8 (8), p.1157-1162
