Handoko, Pryo. 2021. “The Role of Service Excellence Training for Government Employees to Improve Customer Satisfaction: Public Service Implementation in Tax Service Office in Jakarta”. Technium Social Sciences Journal 16 (1). Constanta, Romania:`1-10. https://www.techniumscience.com.techniumscience.pluscommunication.eu/index.php/socialsciences/article/view/2670.