Safitri, E., Nazliati, and N. E. santi. “Persepsi Mahasiswa Prodi PAI Terhadap Kualitas Pelayanan Perpustakaan IAIN Langsa”. Al-Ikhtibar: Jurnal Ilmu Pendidikan, Vol. 4, no. 2, Dec. 2017, pp. 666-82, https://journal.iainlangsa.ac.id/index.php/ikhtibar/article/view/3246.