SINAGA, B.; YUHANDRI, Y.; NURCAHYO, G. W. Development of cost-sensitive artificial neural network optimization in solving imbalanced multi-class classification problems. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 9 (140), p. 40–63, 2026. DOI: 10.15587/1729-4061.2026.356119. Disponível em: https://journals.uran.ua/eejet/article/view/356119. Acesso em: 7 may. 2026.