Makisheva Zhanna Anatolevna, Kabdullina Gulmira Kabidenovna, Shaikenova Nurgul Tynyshtykovna, и Kenges Gulzhihan Kengeskyzy. «THE CURRENT STATE OF MONETARY CIRCULATION AND MEASURES TO ENSURE ITS SUSTAINABILITY». Academic Journal of Physical and Chemical Sciences, вып. 3, июнь 2020 г., сс. 143-9, http://89.250.84.46/reports-science/article/view/859.