Nasution, N., Marpaung, M., & Amirulsyah, A. (2019). The Influence of Spiritual Leadership, Work Life Quality, Islamic Work Ethic on Employee Performance with Organizational Citizenship Behavior. Opción, 35, 962-994. Recuperado a partir de https://www.produccioncientificaluz.org/index.php/opcion/article/view/31924