Kudryavtseva SS, Shinkevich AI, Pavlova AV, Chudnovskiy AD, Nikolayeva AN, Garipova GR, et al. Econometric Methods for Evaluating of Open National Innovative Systems. IJEFI [Internet]. 2016 Apr. 19 [cited 2024 Dec. 27];6(2):640-5. Available from: https://mail.econjournals.com/index.php/ijefi/article/view/2108