Ferdian, F., Stefie, S., & Januardi, J. (2020). The Effect of Product Quality, Personal Sales and Prices on CPO Purchasing Decisions at PT Kencana Persada Nusantara Medan: The Effect of Product Quality, Personal Sales and Prices on CPO Purchasing Decisions at PT Kencana Persada Nusantara Medan. Jurnal Mantik, 3(4), 112-119. Retrieved from https://iocscience.org/ejournal/index.php/mantik/article/view/523