Ismail, A. F. M. F., A. Amer, S. H. M. Jani, H. Othman, and I. Ibrahim. “Halal Product Design Accreditation: A Conceptual Framework”. International Journal of Health Sciences, vol. 6, no. S2, Apr. 2022, pp. 4623-32, doi:10.53730/ijhs.v6nS2.6088.