Gavurova, Beata, Jaroslav Belas, Katarina Valaskova, Martin Rigelsky, and Viera Ivankova. “Relations Between Infrastructure Innovations and Tourism Spending in Developed Countries: A Macroeconomic Perspective”. Technological and Economic Development of Economy 27, no. 5 (August 26, 2021): 1072-1094. Accessed July 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/15361.