LEHENCHUK, Serhii et al. The Impact of Financial Performance on the Profitability of Advertising Agencies in the Slovak Republic. - Registrovaný: Web of Science. In Strategic Management : International Journal of Strategic Management and Decision Support Systems in Strategic Management. - Subotica : Faculty of Economics in Subotica University of Novi Sad, 2023. ISSN 2334-6191, 2023, vol. 28, no. 1, pp. 41-50.