“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, vol. 10, no. 1, Oct. 2026, pp. 643-7, https://doi.org/10.21070/pels.v10i1.2965.