Sumirah. (2020). THE SEQUENTIAL EVPLANATORY ANALYSIS OF WORK QUALITY BASED ON PRINCIPAL SUPERVISION, WORK DISCIPLINE, AND PEDAGOGICAL COMPETENCE (STUDIY AT JUNIOR HIGH SCHOOL TEACHERS IN THE CITY JAMBI). International Journal of Research -GRANTHAALAYAH, 7(12), 337–348. https://doi.org/10.29121/granthaalayah.v7.i12.2019.328