Derya, T., I. Kara, P. S. Bicakci, and B. Kececi. “New Formulations for the Team Orienteering Problem”.
Global Journal of Business, Economics and Management: Current Issues
, vol. 6, no. 2, Nov. 2016, pp. 70-77, doi:10.18844/gjbem.v6i2.1468.