SUDIRMAN, Acai; LIE, Darwin; SHERLY, Sherly; DHARMA, Edy. The Impact of Work Discipline and Work Ethic on the Teacher Performance of Sultan Agung Pematangsiantar Private Middle School Teachers T.A. 2018/2019. International Journal of Business Studies, [S. l.], v. 3, n. 3, p. 125–135, 2020. DOI: 10.32924/ijbs.v3i3.83. Disponível em: https://ijbs.ipmi.ac.id/index.php/ijbs/article/view/83. Acesso em: 27 feb. 2026.