Myrzakhanova D.Zh, Smagulova R.U, Taspenova G.A, & Utegulova B.S. (2019). MAIN DIRECTIONS OF OPTIMIZATION TAX SYSTEMS OF RK . «Доклады НАН РК», (4), 104–111. извлечено от http://189185.vm7pq.group/reports-science/article/view/1604