AL SALEM, Abdullah bin Mohammed bin Suleiman. The Jurisprudential Applications of Voluntary Work in Islam . Migration Letters, London, UK, v. 20, n. S7, p. 1417–1425, 2023. DOI: 10.59670/ml.v20iS7.5465. Disponível em: https://migrationletters.com/index.php/ml/article/view/5465. Acesso em: 8 feb. 2026.