E. Julvirta, M. Permatasari, U. D. A. W. Ningrum, R. Rusmiana, and R. N. L. Gaol, “The Effect of the Halal Certification Label on the Activities of Culinary Business Actors and Non-Muslim Tourists in Palembang”, sjh, vol. 3, no. 2, pp. 101-120, Feb. 2022.