Al-Sammarraie, M. A., Jaafar Azeez, L. S., & Dheyaa Salman, A. H. (2020). Employment of Hotel Classification to Increase Tourist Demand in the Holy Province of Karbala Period 2010-2017. Utopía Y Praxis Latinoamericana, 25(1), 407-419. Recuperado a partir de https://produccioncientificaluz.org/index.php/utopia/article/view/31954