Turdiyeva Z.M., Agumbayeva A.Ye., Mukhamadiyeva A.A.,. “Problems and Prospects of Public-Private Partnership in the Sphere of Environmental Protection”. Journal of Economic Research & Business Administration 117, no. 5 (December 22, 2016): 216–225. Accessed November 24, 2024. https://be.kaznu.kz/index.php/math/article/view/1480.