SUNYIANTO, Sunyianto; 						PASARIBU, Ida Mariani.
 Perawatan Bahan Pustaka (Koleksi) Pada Perpustakaan Pusat Penelitian Kelapa Sawit (PPKS) Medan.
<strong>Jurnal Ilmiah Al-Hadi</strong>, [S.l.], v. 8, n. 1, p. 63-68, jan. 2023.
ISSN 2774-3373.
Available at: &lt;<a href="https://jurnal.pancabudi.ac.id/index.php/alhadi/article/view/4467" target="_new">https://jurnal.pancabudi.ac.id/index.php/alhadi/article/view/4467</a>&gt;. Date accessed: 03 may 2024.