SHABARULLAH, S.; ANDRIANI, F.; BIN SHAHRINIZAM, M. S. N. Professional Zakat in Modern Society Life: Provisions Regarding Intellectual Property Objects, Nisab, and Zakat Level. Asy-Syir’ah: Jurnal Ilmu Syari’ah dan Hukum, [S. l.], v. 55, n. 2, p. 439–463, 2021. DOI: 10.14421/ajish.v55i2.733. Disponível em: https://asy-syirah.uin-suka.com/index.php/AS/article/view/733. Acesso em: 12 oct. 2025.