2021
AL Fararni, K., Nafis, F., Aghoutane, B., Yahyaouy, A., Riffi, J., & Sabri, A. (2021). Hybrid recommender system for tourism based on big data and AI: A conceptual framework. Big Data Mining and Analytics, 4(1), 47–55.
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
