KALINICHENKO, Sergiy; VLASENKO, Tetiana; VITKOVSKYI, Yurii; GRIBINYK, Andrey. FORMATION OF THE RANGE OF SERVICES - A PRIORITY DIRECTION OF MARKETING ACTIVITY OF A TRAVEL FIRM. Herald of Khmelnytskyi National University. Economic sciences, [S. l.], v. 306, n. 3, p. 289–293, 2022. DOI: 10.31891/2307-5740-2022-306-3-43. Disponível em: https://heraldes.khmnu.edu.ua/index.php/heraldes/article/view/969. Acesso em: 28 jan. 2026.