HICHEM AICHOUCHE, ABDELKAMEL MAAMRI. The Role of Positive and Negative Motivation in Improving Employee Performance: A Case Study of the Youth Support and Employment Institution, El Oued Agency. European Economic Letters (EEL), [S. l.], v. 15, n. 1, p. 835–844, 2025. Disponível em: https://eelet.org.uk/index.php/journal/article/view/2458. Acesso em: 24 mar. 2025.