Community assessment of natural food sources of Vitamin A: guidelines for an ethnographic protocol Community assessment of natural food sources of Vitamin A: guidelines for an ethnographic protocol

by 49462 Blum, L., 104109 Pelto, P.J., 104108 Pelto, G.H., 84150 Kuhnlein, H.V., 12779 International Nutrition Foundation for Developing Countries, Boston, MA (EUA), 9495 IDRC, Ottawa, Ont. (Canadá)
Published 1997