MODERN TECHNOLOGIES OF MARKETING INTELLIGENCE. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2019 Dec. 30 [cited 2025 May 10];4(20):116-24. Available from: https://www.echas.vnu.edu.ua/index.php/echas/article/view/513