KARPENKO V, BILYK A, GYMENUK R. DIGITAL PRESENCE OF COMPANIES IN THE VENTILATION MARKET OF UKRAINE: COMPARATIVE ANALYSIS OF WEBSITES, SOCIAL MEDIA AND BRAND BOOKS. Herald of Khmelnytskyi National University. Economic sciences [Internet]. 2025 May 14 [cited 2026 Jan. 28];342(3(2):147-52. Available from: https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/1933