YANDULSKIY, O.; HULYI, V.; NESTERKO, A.; KOVALENKO, M.; TYMOKHIN, O. Improving the efficiency of secondary load frequency control in a power system considering internal tie-line power exchanges. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 4, n. 8 (136), p. 6–15, 2025. DOI: 10.15587/1729-4061.2025.336113. Disponível em: https://journals.uran.ua/eejet/article/view/336113. Acesso em: 7 feb. 2026.