ANHELKO I. THE ROLE OF DIFFERENTIATION OF GOODS AND ITS IMPACT ON THE EFFECTIVENESS OF THE MARKETING STRATEGY OF THE ENTERPRISE. Herald of Khmelnytskyi National University. Economic sciences [Internet]. 2025 Mar. 27 [cited 2026 Jan. 28];340(2):115-9. Available from: https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/1488