Tokar, Marian, Hanna Kumar, Inna Kostyrya, and Alona Kliuchnik. “Determining the Eastern European Non-Governmental Organizations Sustainability under Crisis Conditions and During Social and Technological Transformations”. Eastern-European Journal of Enterprise Technologies 6, no. 13 (126) (December 28, 2023): 33–41. Accessed January 10, 2025. https://journals.uran.ua/eejet/article/view/292932.