VAVILONSKAYA, V. “ANALYSIS OF INDUSTRIAL COMPANY MARKETING POLICY IN THE CONTEXT OF THE CONCEPT «4P»”. Vestnik of Polotsk State University. Part D. Economic and legal sciences, no. 5 (April 14, 2017): 30-38. Accessed June 7, 2025. https://journals.psu.by/economics/article/view/3432.