Leščešen, I. ., D. . Dolinaj, M. . Pantelić, and S. . Popov. “DROUGHT ASSESSMENT IN VOJVODINA (SERBIA) USING K-MEANS CLUSTER ANALYSIS”. Journal of the Geographical Institute “Jovan Cvijić” SASA, vol. 69, no. 1, Apr. 2019, pp. 17–27, doi:10.2298/IJGI1901017L.