2018
Sofronov, B. (2018). The Development of the Travel and Tourism Industry in the World. Annals of Spiru Haret University. Economic Series, 18(4), 123-137. https://doi.org/10.26458/1848
2012
Peeters, P., & Landré, M. (2012). The emerging global tourism geography—An environmental sustainability perspective. Sustainability, 4(1), 42-71.
