KUSNAWAN, Aep; RAHMAN, Arif; LUKMAN, Dede; DULWAHAB, Encep. Manajemen Mutu Input Kelompok Bimbingan Ibadah Haji Indonesia. Ilmu Dakwah: Academic Journal for Homiletic Studies, [S. l.], v. 11, n. 2, p. 277–292, 2017. DOI: 10.15575/idajhs.v11i2.2399. Disponível em: https://journal.uinsgd.ac.id/index.php/idajhs/article/view/2399. Acesso em: 4 apr. 2025.