SHVETSOVA, Irina N. Cluster analysis of sub-federal bonds: how budgetary security affects the profitability of regional borrowing. State and Municipal Management. Scholar Notes, [S. l.], n. 3, p. 145–154, 2025. Disponível em: https://gmu.owebs.ru/article/view/1106. Acesso em: 8 nov. 2026.