Uncu, N., Bulğurcu, B. and Kılıç, F. 2018. Distance restricted maximal covering model for pharmacy duty scheduling problem. An International Journal of Optimization and Control: Theories & Applications (IJOCTA). 8, 2 (Jun. 2018), 208–215. DOI:https://doi.org/10.11121/ijocta.01.2018.00557.