T. Mulyani and H. Prasetyo, “Analysis of Halal Awareness and Free Halal Certification Services on the Interest of Micro, Small, and Medium Enterprises (MSMEs) in Obtaining Halal Certificates (A Study at the Ministry of Religious Affairs, Yogyakarta City)”, IIJSE, vol. 8, no. 2, pp. 5616-5633, May 2025.