A, A. A.; ZH., A. M.; A., S. D. Optimization of tax burden. Farabi Journal of Social Sciences, [S. l.], v. 3, n. 1-2, p. 13–16, 2019. Disponível em: https://jhumansoc-sc.kaznu.kz/index.php/1-eurasian/article/view/326. Acesso em: 22 dec. 2024.