MYRZAKHANOVA D.ZH; SMAGULOVA R.U; TASPENOVA G.A; UTEGULOVA B.S. MAIN DIRECTIONS OF OPTIMIZATION TAX SYSTEMS OF RK . Academic Journal of Physical and Chemical Sciences, [S. l.], n. 4, p. 104–111., 2019. Disponível em: https://journals.nauka-nanrk.kz/reports-science/article/view/1604. Acesso em: 5 дек. 2025.