Bafadhal, H., F. Rahman, and N. Martaliah. “Zakat of Business Unions: Towards the Improvement of Concepts and Regulations”. Asy-Syir’ah: Jurnal Ilmu Syari’ah Dan Hukum, vol. 58, no. 2, Dec. 2024, pp. 418-49, doi:10.14421/ajish.v58i2.941.