Manurung, Jonson. 2020. “Use of OPAC As A Means Of Refinding Information On STMIK Pelita Nusantara Library: Use of OPAC As A Means Of Refinding Information On STMIK Pelita Nusantara Library”. Jurnal Mantik 4 (2):1200-1204. https://doi.org/10.35335/mantik.Vol4.2020.924.pp1200-1204.