SITUMEANG, R. R.; HALIM, E.; STEFANNY, S. Influence on Prices, Quality of Service and Distribution on Palm Oil Crude Purchase Decisions at PT Bangun Sempurna Lestari Medan. Jurnal Mantik, [S. l.], v. 4, n. 2, p. 1446-1451, 2020. DOI: 10.35335/mantik.Vol4.2020.1012.pp1446-1451. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1012. Acesso em: 18 apr. 2026.