Karvele, Ligita, and Daina Znotiņa. “EVALUATION OF DIGITAL MARKETING USE IN THE PROMOTION OF LATGALE REGION TOURISM”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, vol. 2, June 2019, pp. 195-9, https://doi.org/10.17770/etr2019vol2.4055.