Warsidi, Warsidi, Abdurrahman Raden Aji Haqqi, and Isma Swadjaja. “Implementation of Sharia System in Sharia-Certified Hospitals”. Jurnal Ilmiah Ekonomi Islam 10, no. 3 (November 6, 2024): 2828–2833. Accessed July 2, 2025. https://jurnal.stie-aas.ac.id/index.php/jei/article/view/14713.