Khatskevich, Guennadi A., and Andrei F. Pranevich. 2021. “Sato – Beckmann Classification of Accounting for Technological Progress: Genesis, Generalisation, and Extension”. Journal of the Belarusian State University. Economics, no. 2 (January): 4-17. https://journals.bsu.by/index.php/economy/article/view/3421.