Herlina, Herlina. “Health Services for Hajj Pilgrims in Deli Serdang Regency”. Jurnal Persada Husada Indonesia 8, no. 28 (January 15, 2021): 29-35. Accessed February 3, 2026. https://jurnal.stikesphi.ac.id/index.php/kesehatan/article/view/314.