Mulyani, Sitti Rizki, Vivi Nila Sari, y Marta Widian Sari. 2020. «Model of Employee Motivation and Cooperative Performance». Utopía Y Praxis Latinoamericana 25 (1), 232-42. https://www.produccioncientificaluz.org/index.php/utopia/article/view/31895.