Belov, Alexandr, Lyudmyla Svistun, and Аlina Glushko. “A New Approach to Assessing the Science Contribution to the State Economy”. International Journal of Engineering & Technology 7, no. 4.8 (October 13, 2018): 800–805. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/28126.