1. AACC Approved Methods;American Association of Cereal Chemists,1983
2. AACC Approved Methods;American Association of Cereal Chemists,1983
3. AACC Approved Methods;American Association of Cereal Chemists,1983
4. Official Methods of Analysis;Association of Official Analytical Chemists,1984
5. Riboflavin;Association of Vitamin Chemists,1966