Pratiwi, Lintang Arum, and Lenny Christina Nawangsari. “Organizational Citizenship Behavior While Mediating Self-Efficacy, Servant Leadership and Organization Culture on Employee Performance”. European Journal of Business and Management Research 6, no. 1 (February 25, 2021): 225-231. Accessed May 7, 2021. https://ejbmr.org/index.php/ejbmr/article/view/713.