The Role of Waqf in the Sustainability of Family Businesses in the Kingdom of Saudi Arabia: A Field Study. The International Journal for Scientific Research, [S. l.], v. 5, n. 6, 2026. DOI: 10.59992/IJSR.2026.v5n6p11. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1651. Acesso em: 1 jul. 2026.