1. Official Methods of Analysis;Association of Official Analytical Chemists,1984
2. Baker, D. H., K. M. Halpin, D. E. Laurin, and L. L. Southern, 1986. Manganese for poultry–a review. Pages 1–6 in: Proc. Ark. Nutr. Conf. Little Rock, AR.
3. Biological availability of manganese sources and effects of high dietary manganese on tissue mineral composition of broiler-type chicks;Black;Poultry Sci.,1984
4. Pairwise multiple comparisons of treatment means in agronomic research;Carmer;J. Agron. Educ.,1985
5. Further studies on the role of manganese in poultry nutrition;Caskey;Poultry Sci.,1938