1. Google LLC, Google OR-Tools, 2019. http://developers.google.com/optimization/. Accessed 31 May 2023
2. Jacop solver 4.4. http://jacop.osolpro.com/. Accessed 24 Jan 2023
3. Abdekhodaee, A.H., Dunstall, S., Ernst, A.T., Lam, L.: Integration of stockyard and rail network: a scheduling case study. In: 5th Asia-Pacific Industrial Engineering and Management Systems Conference. Gold Coast, Australia, pp. 1–16 (2004)
4. Apt, K.: Constraint satisfaction problems: examples. In: [5] (2003), chapter 2
5. Apt, K.: Principles of Constraint Programming. Cambridge University Press, New York, NY, USA (2003)