1. Kuybida, V. H., Pavlenko, V. P., Yatsyuk, V. A., Matviyishyn, O. YA., Tkachuk, A. F., Nehoda, V. A., Karpinskyy, Yu. O., Pukhtynskyy, M. O., Hanushchak, Yu. I., & Babych, O. M. (2009). Administratyvno-terytorial'nyy ustriy Ukrayiny. Istoriya. Suchasnist'. Perspektyvy [Administrative and territorial system of Ukraine. History. Modernity. Perspectives]. Kyiv: Geoprint. [in Ukrainian].
2. Boryslavska, O. M., Zaverukha, I. B., & Shkolyk, A. M., et al. (2012). Detsentralizatsiya publichnoyi vlady: dosvid yevropeys'kykh krayin ta perspektyvy Ukrayiny [Decentralization of public power: experience of European countries and prospects of Ukraine]. Kyiv: Center for Political and Legal Reforms. [in Ukrainian].
3. Shtefan, V. S. (2010). Reformuvannya administratyvno-terytorial'noho ustroyu Ukrayiny yak peredumova konstytutsiynoyi reformy [Reforming the administrative and territorial system of Ukraine as a prerequisite for constitutional reform]. Yaroslav Mudryi National Law University: сайт. URL: http://nauka.jur-academy.kharkov.ua/download/Ikonf/28.pdf [in Ukrainian].
4. Kuchabskyy, O. H. (2006). Perspektyvy vprovadzhennia statystychnoi systemy NUTS v Ukraini v konteksti administratyvno-terytorialnoi reformy [Prospects for the implementation of the NUTS statistical system in Ukraine in the context of administrative-territorial reform]. Derzhavne upravlinnia: teoriia ta praktyka – Public Administration: Theory and Practice, 2. Retrieved from http://www.nbuv.gov.ua/e-journals/Dutp/2006-2/txts/REGIONALNE%5C06kogkar.pdf [in Ukrainian].
5. Novikov, M., & Hayko, O. (2000). Yevropeys'kyy dosvid administratyvno-terytorial'noho reformuvannya: politychnyy aspekt [European experience of administrative-territorial reform: political aspect]. Analytical note. Regional branch of NISD in Kharkiv. URL: http://www.niss.gov.ua/articles/844/ [in Ukrainian].