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Valjarević, A., Valjarević, D., Stanojević-Ristić, Z., Djekić, T. and Živić, N. 2018. A geographical information systems-based approach to health facilities and urban traffic system in Belgrade, Serbia. Geospatial Health. 13, 2 (Nov. 2018). DOI:https://doi.org/10.4081/gh.2018.729.