
| Culture, Environment, and Food to Prevent Vitamin A Deficiency (International Nutrition Foundation for Developing Countries - INFDC, 1997, 208 pages) |
| Part II. Creating the protocol |
![]() | 3. Theory and process: The methods |
Harriet V. Kuhnlein, Pertti J. Pelto, Gretel H. Pelto, and Members of IUNS Committee II/6