Asawarungsaengkul, K., and S. Nanthavanij. “Heuristic Genetic Algorithm for Workforce Scheduling With Minimum Total Worker-Location Changeover”. International Journal of Industrial Engineering: Theory, Applications and Practice, vol. 15, no. 4, Feb. 2022, pp. 373-85, doi:10.23055/ijietap.2008.15.4.185.