Maksymenko, N. V., G. V. Titenko, K. B. Utkina, A. N. Nekos, and A. D. Shkaruba. “Solving Current Environmental Problems by Harmonization of Doctoral Programs With European Standards”. Visnyk of V. N. Karazin Kharkiv National University, Series "Geology. Geography. Ecology", no. 50, July 2019, pp. 178-96, doi:10.26565/2410-7360-2019-50-14.