Sony Hidayat (2024) “Assistance And Socialization of Umkm Self-Declare Halal Certificates in Kadipaten Village, Boyolali District Central Java Indonesia”, HALAL INTERNATIONAL JOURNAL of Walisongo Halal Center (WHC), 1(2), pp. 73–88. vailable at: https://halalin.walisongo.ac.id/index.php/halalin/article/view/9 (ccessed: 25 August 2026).