ПЕТРОВ, Николчо; АНГЕЛКОВА ПЕТКОВА, Тања. ПРОЦЕСНИ ИНОВАЦИИ ВО УГОСТИТЕЛСТВОТО. Challenges of Tourism and Business Logistics in the 21st Century, [S. l.], v. 2, n. 1, p. 138–143, 2017. Disponível em: https://js.ugd.edu.mk/index.php/YFNTS/article/view/1764. Acesso em: 6 sep. 2026.