HOUBAD, Ahmed Tayeb. Rational Finance for Sustainable Development "Financial Plans by Omar Bin Abdulaziz- A model". Journal of Humanities & Social Sciences, New Mexico, United States, v. 5, n. 10, p. 33–19, 2021. DOI: 10.26389/AJSRP.D030221. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jhss/article/view/3940. Acesso em: 20 dec. 2025.