Sufriadi. “The Implementation Analysis of the Hajj Ritual Guidance Service Policy for the Elderly at the Ministry of Religious Affairs in the Karimun Regency”. JURNAL ILMIAH GEMA PERENCANA 2, no. 3 (April 29, 2024). Accessed December 31, 2025. https://gemaperencana.id/index.php/JIGP/article/view/97.