Lupien, J. R. y Menza, V. (1999), &quot; Assesing prospects for improving food security and nutrition &quot; , en Food, Nutrition and Agriculture, 25:7.
Lupien, J. R. y Menza, V. (1999), &quot; Assesing prospects for improving food security and nutrition &quot; , en Food, Nutrition and Agriculture, 25:7.