Sofiyan, Sofiyan, Titien Agustina, Rumiris Siahaan, Sudung Simatupang, and Acai Sudirman. “Testing the Relationship Between Employee Engagement and Employee Performance: The Urgency of Self Efficacy and Organizational Justice As Predictors”. KnE Social Sciences 7, no. 10 (July 5, 2022): 425-440. Accessed April 25, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/11382.