TULENBERGENOVA, N.T. Efficient teaching of the Kazakh language to civil servants. Public Administration and Civil Service, Нур-Султан, Казахстан, n. 2, p. 147–150, 2013. Disponível em: https://journal.apa.kz/index.php/path/article/view/831. Acesso em: 21 nov. 2025.