Рахметулина Ж, Кураш Н, Кабдуалиева A. Theoretical approaches to evaluation of the impact of national innovation system. JRBA [Internet]. 2017 Mar. 29 [cited 2024 Sep. 26];119(1):290-7. Available from: https://be.kaznu.kz/index.php/math/article/view/1847