KALKABAYEVA, G. .; KURMANALINA, A. .; ATABAYEVA, A. .; TYAN, O. R&D expenditures as a driver of investment and economic growth in Kazakhstan . Journal of Economic Research & Business Administration, [S. l.], v. 154, n. 4, 2025. DOI: 10.26577/be202515441. Disponível em: https://be.kaznu.kz/index.php/math/article/view/3024. Acesso em: 9 feb. 2026.