Hartati , Yeni, Happy Fitria, and Yessi Fitriani. 2021. “The Effect of Certification Benefits and Work Motivation on the Discipline of Negeri High School Teachers in Lubuk Raja District, Ogan Komering Ulu”. Jurnal Pendidikan Tambusai 5 (3):5556-63. https://doi.org/10.31004/jptam.v5i3.1749.