• Factors affecting the improvement of district heating. Case studies of Estonia and SerbiaRušeljuk, Pavel; Volkova, Anna; Lukic, Nebojša; Lepiksaar, Kertu; Nikolic, Novak; Nešovic, Aleksandar; Siirde, AndresEnvironmental and Climate Technologies2021 / p. 521−533 https://doi.org/10.2478/rtuect-2020-0121 https://www.scopus.com/sourceid/21100232822 https://www.scopus.com/record/display.uri?eid=2-s2.0-85099107629&origin=inward&txGid=81bf9b4826d842bd3c796b08e4a5aefb https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ENVIRON%20CLIM%20TECHNOL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000599594700041