K.M. Balginova, G. Mussirov, A.E. Shakharova, S.R. Kalmagambetova, и B.B. Duisenbaeva. «ACTUAL PROBLEMS AND PROSPECTS FOR THE DEVELOPMENT OF ENVIRONMENTAL AUDIT IN THE REPUBLIC OF KAZAKHSTAN». «Доклады НАН РК», вып. 6, декабрь 2019 г., сс. 100-5, http://91834.libg.asia/reports-science/article/view/1802.