Purba, R. (2018) “The Effect of Communication and Motivation on Employee Performance at PT. Perkebunan Nusantara II Pagar Merbau”, Enrichment : Journal of Management, 9(1, Novembe), pp. 4-6. Available at: https://enrichment.iocspublisher.org/index.php/enrichment/article/view/7 (Accessed: 19October2021).