Yavorckaya, V. V., and D. A. Svetlichnaya. “Солнечноэнергетические ресурсы Одесской области и методика их оценки = Solar Energy Resources of Odessa Region and Methods of Its Evalution”. Journal of Education, Health and Sport 6, no. 10 (October 12, 2016): 68–78. Accessed April 9, 2025. https://apcz.umk.pl/JEHS/article/view/3927.