Hakim, Lukmanul, et al. “The Impact of Delaying Mie Gacoan’s Halal Certification on Consumer Loyalty”. Mu’amalah: Jurnal Hukum Ekonomi Syariah, vol. 3, no. 1, June 2024, pp. 93-104, https://doi.org/10.32332/muamalah.v3i1.9223.