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Nasution N, Marpaung M, Amirulsyah A. The Influence of Spiritual Leadership, Work Life Quality, Islamic Work Ethic on Employee Performance with Organizational Citizenship Behavior. Opción [Internet]. 3 de agosto de 2019 [citado 12 de febrero de 2026];350:962-94. Disponible en: http://www.produccioncientifica.luz.edu.ve/index.php/opcion/article/view/31924