M. Aziz, S. Sholikah, N. . Mazidah, S. . Marpuah, and T. M. . Albar, “Self-Declare Halal Product Assurance System in Indonesia in The Review of Management Functions”, Halal Research, Halal Policy, Halal Industry, vol. 4, no. 2, pp. 85–98, Feb. 2026.