Madonna, Maria Gisa (A.A. 2019/2020) Stress, uncertainity and Covid-19 crisis: implications for human resources in the hospitality sector. Tesi di Laurea in Organizational design, Luiss Guido Carli, relatore Fabian Kurt Falk Homberg, pp. 74. [Master's Degree Thesis]

Madonna, Maria Gisa (A.A. 2017/2018) Il custumer relationship management nel settore alberghiero ed i casi di Starwood ed Hilton. Tesi di Laurea in Marketing, LUISS Guido Carli, relatore Michele Costabile, pp. 57. [Bachelor's Degree Thesis]