1. Main department of statistics in the Nikolaev area: the official website. Available at: http://www.mk.ukrstat.gov.ua/
2. Hordiienko V. (2013). Turyzm – rushij sotsial'no-ekonomichnoho rozvytku krainy. KhIII Mizhnarodnyj ekonomichnyj forum. [«Tourism – the engine of socio-economic development of the country»]. XIII Mizhnarodnyy ekonomichnyy forum. XIII International Economic Forum. 2013. Available at: http://tourlib.net/statti_ukr/gordienko.pdf
3. Gerasimenko, V. G., Galasyuk, S. S., Nezdoiminov, S. G. (2013). Rynky turystychnykh posluh: stan i tendentsii rozvytku. [Markets of tourist services: state and trends]. Astroprint. Odessa. Ukraine.
4. Davydenko, I. V. (2007). «Status and factors of development of the regional market of tourist services». Visnyksotsialʹno-ekonomichnykhdoslidzhenʹ. Odessa, №. 27. рр. 101–107.
5. Lagodiienko. V. V., Andrusiv, U. Y. (2018). «Regional economic policy in the conditions of disproportion: ways of minimization». Ukrainian Journal of Applied Economics. Volume 3. № 2, pp. 81–89.