Å ipilova, V., I. Ostrovska, L. Aleksejeva, E. Jermolajeva, and D. Oļehnovičs. “A Review of the Literature on Smart Development: Lessons for Small Municipalities”. International Journal of Economics and Financial Issues, vol. 7, no. 1, Jan. 2017, pp. 460-9, https://www.econjournals.com/index.php/ijefi/article/view/3352.