Astrid Aprica Isabella and Pipit Novila Sari 2023. The Effectiveness of Free Halal Certification Services Through the Scheme Self Declare for SMEs in Lampung Province. International Journal of Economics (IJEC). 2, 2 (Oct. 2023), 532–540. DOI:https://doi.org/10.55299/ijec.v2i2.562.