Vardanyan M. Richardson’s Multilateral Military Expenditure Model Augmentation via Sentiment Analysis of News Data in the Framework of Complexity Eco-nomics. Bull. YSU G: Econ. [Internet]. 2023 Dec. 29 [cited 2024 Jul. 22];14(2 (41):48-5. Available from: https://journals.ysu.am/index.php/bulletin-ysu-economics/article/view/vol14_no2_2023_pp048-058