Training for improving employee work ethics after the Covid-19 pandemic at the Faculty of Dentistry, University of North Sumatra. Community Empowerment, [S. l.], v. 7, n. 5, p. 818–822, 2022. DOI: 10.31603/ce.7041. Disponível em: https://journal.unimma.ac.id/ce/article/view/7041. Acesso em: 24 sep. 2026.