AMAGOH, Francis; FILIPOV, Milen. Maximizing public sector leadership capacity: a communication perspective. Public Administration and Civil Service, Нур-Султан, Казахстан, n. 3 (70), p. 24–30, 2019. Disponível em: https://journal.apa.kz/index.php/path/article/view/86. Acesso em: 21 nov. 2025.