PURBA, R. The Effect of Communication and Motivation on Employee Performance at PT. Perkebunan Nusantara II Pagar Merbau. Journal of Management Science (JMAS), [S. l.], v. 2, n. 2, April, p. 31–34, 2019. Disponível em: https://exsys.iocspublisher.org/index.php/JMAS/article/view/27. Acesso em: 18 apr. 2026.