Amini, A., I. Imsar, and B. Dharma. “Comparative Analysis of Halal Food Product Competitiveness in Southeast Asia: A Case Study of Singapore and Thailand”. International Journal of Economics Development Research (IJEDR), vol. 4, no. 2, July 2023, pp. 1198-12, doi:10.37385/ijedr.v4i3.3784.