1. An Introduction to Optimization—Fourth Edition—Edison K.P Chong and Stanislaw H. Zak—Wiley
2. Optimization Techniques an Introduction by L.R Foulds Published by Springer Verlag New York—Heidelberg—Berlin
3. Optimization Techniques by A.K Malik , S.K Yadav , S.R Yadav—I.K. International Publishing House Private Limited
4. Numerical Optimization Techniques for engineering Design-Published by Vanderplaats Research and Develo (2001)
5. Using Monarch Butterfly Optimization to Solve the Emergency Vehicle Routing Problem with Relief Materials in Sudden Disasters by Jiao-Hong Yi, Jian Wang and Gai-Ge Wang