“Implementation of Halal Certification at the Canteen of SMA Muhammadiyah 2 (SMAMDA) Sidoarjo: Penerapan Sertifikasi Halal di Kantin SMA Muhammadiyah 2 (SMAMDA) Sidoarjo” (2026) Procedia of Engineering and Life Science, 10(1), pp. 281–286. doi:10.21070/pels.v10i1.3028.