EL’TINOVA, S. A. Improvement of efficiency of investment projects of the Republic of Kazakhstan by using of world experience. Journal of Economic Research & Business Administration, [S. l.], v. 99, n. 5, p. 180–182, 2015. Disponível em: https://be.kaznu.kz/index.php/math/article/view/540. Acesso em: 22 nov. 2024.