S. Tonvongval, « Impact of Transformational Leadership Development Through Organization Development Intervention on Employee Engagement and Firm Performance: A Case Study », srr, vol. 25, p. 34–49, déc. 2013, Consulté le: nov. 12, 2026. Disponible sur: https://www.researchreports.ro/journal/article/view/274-impact-of-transformational-leadership-development-through