Popescu, A.I. (2012) « Lifelong Learning in the Knowledge Economy: Considerations on the Lifelong Learning System in Romania from a European Perspective », Revista de Cercetare si Interventie Sociala, 37, p. 49–76. Disponible sur: https://www.rcis.ro/journal/article/view/421-lifelong-learning-in-the-knowledge-economy-considerations (Consulté le: 7 novembre 2026).