Kusumawati, Kiki. “SISTEM INFORMASI PELAYANAN HAJI DAN UMROH BERBASIS ANDROID”. JURNAL SATYA INFORMATIKA 4, no. 02 (August 18, 2023): 33–41. Accessed February 22, 2026. https://www.ojs-teknik.usni.ac.id/index.php/jsk/article/view/449.