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. PELS [Internet]. 2026 Oct. 16 [cited 2026 Oct. 24];10(1):643-7. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/2965