Hartadi, Agung, and Sujoko Sujoko. “The Importance of Improving Employee Performance through Optimizing Job Training, Work Motivation and Work Ethic: A Literature Review ”. Jurnal Orientasi Bisnis dan Entrepreneurship (JOBS) 6, no. 1 (January 16, 2025): 10–23. Accessed November 29, 2025. https://academicjournal.yarsi.ac.id/index.php/jobs/article/view/4791.