1. Alshwesh, I.O.A. (2014). GIS-based interaction of location allocation models with areal interpolation techniques (Unpublished doctoral dissertation). University of Leicester. https://hdl.handle.net/2381/28594.
2. Apparicio, P., Abdelmajid, M., Riva, M., & Shearmur, R. (2008). Comparing alternative approaches to measuring the geographical accessibility of urban health services: Distance types and aggregation-error issues. International Journal of Health Geographics, 7(7), 1–14.
3. Bejleri, I., Steiner, R. L., Fischman, A., & Schmucker, J. M. (2011). Using GIS to analyze the role of barriers and facilitators to walking in children’s travel to school. Urban Design International, 16(1), 51–62.
4. Black, M., Ebener, S., Aguilar, P. N., Vidaurre, M., & El Morjani, Z. (2004). Using GIS to measure physical accessibility to health care. In ESRI 2004 international health conference proceedings. World Health Organization.
5. Bozkaya, B., Yanik, S., & Balcisoy, S. (2010). A GIS-based optimization framework for competitive multi-facility location-routing problem. Networks and Spatial Economics, 10, 297–320. https://doi.org/10.1007/s11067-009-9127-6.