JYOTI SINGH. A Study on Leadership Challenges and Its Impact on Organizational Effectiveness with Special Reference to the Higher Education Sector of Uttar Pradesh. European Economic Letters (EEL), [S. l.], v. 15, n. 2, p. 4777–4791, 2025. DOI: 10.52783/eel.v15i2.3328. Disponível em: https://eelet.org.uk/index.php/journal/article/view/3328. Acesso em: 15 oct. 2025.