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Astapovich, O. G. International Tenders in the Public Sector: Regulatory Features and Areas for Improvement: Abstract of Cand. Sci. (Econ.) Dissertation: 08.00.14 Global Economy / O. G. Astapovich; Belarusian State University of Economics – Minsk, 2022. – 22 p.
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Astapovich, O. G. Development of Commercial Organizations in the Public Sector in the Modern International Context: Tasks, Problems, and Prospects / O. G. Astapovich // Integration Processes in Eurasia: Status, Challenges, and Prospects: Proceedings of the II International Scientific Conf., Minsk, April 16, 2024 / Belarusian State University; Editing Board: E. A. Dostanko (Ed.-in-Chief) [et al.]. – Minsk: BSU, 2024. – pp. 194-200.
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Astapovich, O. G. Competition in the Modern Economy: Integration Potential in the Context of Globalization / O. G. Astapovich // Belarus in the Modern World: Proc. of the XXIII Int. Scientific Conf., Dedicated to the 103rd Anniversary of the Belarusian State University, Minsk, October 24, 2024 / Belarusian State University; ed. board: E. A. Dostanko (ed.-in-chief) [et al.]. – Minsk: BSU, 2025. – Pp. 428–431.
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Astapovich, O. G. Sanctions Restrictions as a Factor in the Transformation of Approaches to the Organization of Procurement Activities / O. G. Astapovich // State, Municipal, and Corporate Procurement: Implementation and Control: Proc. of the Scientific and Practical Conference, Volgograd, May 7, 2025 / edited by R. Yu. Skokov. - VIEPP. Volzhsky: State Budgetary Educational Institution of Higher Education "Volzhsky Institute of Economics, Pedagogy and Law", 2025. - P. 24-31.
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