2011
Vanaga, I. (2011). Comparative analysis of major travel and tourism indicators: Estonia, Latvia and Lithuania, 2010. Lithuanian Journal of Statistics, 50(1), 87-95.
2022
Suzuki, K., & Heo, J. (2022). A study on the comparison of impressions of tourist information signs focusing on the differences between national languages in Japanese regional cities. Applied Sciences, 12(3), 1499.