TANDELA, J. J.; FENNY KRISNA MARPAUNG. The Effect of Communication, work Motivation and Leadership on Employee Performance at PT. Alfa Scorpii Medan. Jurnal Mantik, [S. l.], v. 4, n. 4, p. 2648-2653, 2021. DOI: 10.35335/mantik.Vol4.2021.1232.pp2648-2653. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/1232. Acesso em: 17 apr. 2026.