Mawarni, I. “Influence of Organizational Communication on Employee Satisfaction at PT. Perkebunan Nusantara III Sei Putih”. Journal of Management Science (JMAS), vol. 1, no. 2, April, Apr. 2018, pp. 54-57, https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/10.