R SETYASTAMA. Sedekah, Slamet, Sertifikat: Layered Halal in Javanese-Islamic Yogyakarta. HALAL INTERNATIONAL JOURNAL of Walisongo Halal Center (WHC), [S. l.], v. 3, n. 1, p. 1–12, 2026. DOI: 10.21580/halalin.2026.3.1.32. Disponível em: https://halalin.walisongo.ac.id/index.php/halalin/article/view/32. Acesso em: 12 sep. 2026.