Tolkyn A. Azatbek, Daniyar T. Baitenizov, и Mira A. Zhanabergenova. «ANALYSIS OF SUSTAINABILITY OF DEVELOPMENT AND DETERMINATION OF POTENTIAL POINTS / POLES OF GROWTH OF A REGION (ON THE EXAMPLE OF AKTOBE REGION)». «Доклады НАН РК», вып. 1, февраль 2020 г., сс. 109-15, http://91834.libg.asia/reports-science/article/view/660.