Нурмуханбетова, Д., Yersultanov D.J., Namazbaeva Z.E., Abenova E.A., и Alimkhanova R.K. «METHODOLOGY FOR ASSESSING THE ECOLOGICAL AND ECONOMIC EFFICIENCY OF INVESTMENTS IN THE DEVELOPMENT OF TERRITORIAL NATURAL AND RECREATIONAL SYSTEMS». Scientific Journal of Pedagogy and Economics, вып. 2, апрель 2022 г., сс. 226-45, doi:10.32014/2022.2518-1467.283.