Implementation of the Halal Product Assurance System (SJPH) at the Nutrition Installation of the Aisyiyah Islamic Hospital in Nganjuk: Implementasi Sistem Jaminan Produk Halal (SJPH) Pada Instalasi Gizi Rumah Sakit Islam Aisyiyah Nganjuk. Procedia of Engineering and Life Science, [S. l.], v. 10, n. 1, p. 643–647, 2026. DOI: 10.21070/pels.v10i1.2965. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/2965. Acesso em: 24 oct. 2026.