BARSAI, B.T. Quality improvement principles of civil servants’ professional education through interactive teaching methods. Public Administration and Civil Service, Нур-Султан, Казахстан, n. 2, p. 139–144, 2014. Disponível em: https://journal.apa.kz/index.php/path/article/view/425. Acesso em: 18 jan. 2026.