1. A Study of Mathematical Programming Methods for Structural Optimization;Belegundu,1982
2. Biegler, L. T., Conn, A. R., Cornuejols, G., Grossmann, I. E., Lodi, A., & Sawaya, N. (2015). BONMIN (Basic Open-source Nonlinear Mixed INteger programming). https://projects.coin-or.org/Bonmin, Accessed: 2017-09-7.
3. Crossover-based artificial bee colony algorithm for constrained optimization problems;Brajevic;Neural Computing and Applications,2015
4. Gaussian quantum-behaved particle swarm optimization approaches for constrained engineering design problems;Coelho;Expert Systems with Applications,2010
5. Currie, J. (2014). OPTI toolbox - a free matlab toolbox for optimization. https://www.inverseproblem.co.nz/OPTI/, Accessed: 2017-09-14.