1. Brooke, A., Kendrick, D., and A. Meeraus, 1988. GAMS: A User’s Guide. The Scientific Press, Redwood City, CA.
2. Chance constrained programming, Manage;Charnes;Sci.,1959
3. Quadratic programming for least cost feed formulations under probabilistic protein constraints;Chen;Am. J. Agric. Econ.,1973
4. Combs, G. F., 1970. Feed ingredient composition and amino acid standards for broilers. Pages 81–89 in: Proceedings of the Maryland Nutrition Conference for Feed Managers, College Park, MD.
5. Amino Acid Composition of Feedstuffs,1984