SULASTRI SIPAPAGA; SRI REZEKI PANE. The Effect of Age And Work Period On Teaching Quality Of Economics Teachers At SMK N 1 Nainggolan Samosir T.P 2015/2016. Outline Journal of Education, [S. l.], v. 2, n. 2, p. 53–57, 2023. DOI: 10.61730/oje.v2i2.169. Disponível em: https://journal.outlinepublisher.com/index.php/OJE/article/view/169. Acesso em: 9 sep. 2025.