Irfan. “The Influence of Work Ethic and Job Satisfaction on Employee Work Productivity at Aviation Polytechnic”. Airman: Jurnal Teknik dan Keselamatan Transportasi 3, no. 2 (December 30, 2020): 123–128. Accessed November 25, 2024. https://jurnal.poltekbangmakassar.ac.id/index.php/airman/article/view/165.