1- The art of etiquette and its impact – A survey of hotel services in the holy province of Karbala

2- Contribution of social media in promoting promotion of tourism services (A field study of a sample of tourist companies in the holy city of Karbala)

3- Employment of hotel classification to increase tourist demand in the Holy Province of Karbala period 2010-2017 | Empleo de clasificación hotelera para aumentar la demanda turística en la Provincia Sagrada de Karbala período 2010-2017