Hamid, Noor. “TOTAL QUALITY MANAGEMENT DALAM LEMBAGA BIMBINGAN HAJI DAN UMRAH: STUDI PADA KBIHU DI AREA YOGYAKARTA”. JURNAL MANAJEMEN DAKWAH 6, no. 2 (November 27, 2020): 193–224. Accessed January 24, 2025. https://ejournal.uin-suka.ac.id/dakwah/JMD/article/view/62-03.