Ibrahim, M. F., and N. M. B. Tambi Chek. “THE CONCEPT OF AL-FALAH MAXIMIZATION: ZAKAT AND INDUSTRY REVOLUTION 4.0”. Labuan E-Journal of Muamalat and Society (LJMS), vol. 14, Dec. 2020, pp. 11-22, doi:10.51200/ljms.v14i.2863.