“Peran Perpustakaan Pusat Penelitian Kelapa Sawit (PPKS) Medan Dalam Memenuhi Kebutuhan Informasi Peneliti”. Mesada: Journal of Innovative Research, vol. 2, no. 1, June 2025, pp. 510-9, https://ziaresearch.or.id/index.php/mesada/article/view/105.