Sinaga, Boy Andika. “Environmental Impact and Job Satisfaction on Employee Performance With Intervening Variables Work Motivation (Case Study: Refinery-Biodiesel Plant Division of PT. X)”. Jurnal Indonesia Sosial Teknologi 5, no. 5 (May 31, 2024): 2391–2402. Accessed June 21, 2025. https://jist.publikasiindonesia.id/index.php/jist/article/view/1064.