Hermawan, Iwan, et al. “E-Maktabah: A Digital Islamic Library System for Religious Counselors: Design, Development, and User Evaluation”. Khizanah Al-Hikmah : Jurnal Ilmu Perpustakaan, Informasi, Dan Kearsipan, vol. 14, no. 3, Sept. 2026, doi:10.24252/kah.v14i3a6.