RAWAS, Hasan Siraj. Evaluating the reality of total quality management in the Hajj and Umrah. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 6, n. 5, p. 34–55, 2022. DOI: 10.26389/AJSRP.S080921. Disponível em: https://ajsrp.ojsexpert.com/index.php/jeals/article/view/4747. Acesso em: 20 dec. 2025.