Mohapatra, S. K., and S. Prasad. “A Chemical Reaction Optimization Approach to Prioritize the Regression Test Cases of Object-Oriented Programs”. Journal of ICT Research and Applications, vol. 11, no. 2, Aug. 2017, pp. 113-30, doi:10.5614/itbj.ict.res.appl.2017.11.2.1.