PURBA, S. B. The Effect of Work Conflict on Teacher Performance in Sinar Harapan Education Foundation. Beringin Deli Serdang Regency. Journal of Management Science (JMAS), [S. l.], v. 2, n. 2, April, p. 26–30, 2019. Disponível em: https://exsys.iocspublisher.org/index.php/JMAS/article/view/26. Acesso em: 2 may. 2026.