CHRISTIAN, B. H.; S, M. K.; A., Y. A. Development of the service economy in Kazakhstan. Farabi Journal of Social Sciences, [S. l.], v. 4, n. 4, p. 3–10, 2019. Disponível em: https://jhumansoc-sc.kaznu.kz/index.php/1-eurasian/article/view/239. Acesso em: 3 jul. 2024.