1. Bang, J.M., (2005). Ecovillages: A Practical Guide to Sustainable Communities, New York: New Society Publishers
2. Barbu C.A., Buzoianu O., Margina O., (2017). The management of ecological marketing of tourism firms, ecological performance in a competitive economy, PEEC, 3/9/2017, Bucharest, Quality-Access to Success, p.46–50, ISSN 1582-2559
3. Barnett, Ronald& Norman J., (2020). Ecologies for Learning and Practice: Emerging Ideas, Sightings, and Possibilities. 1st ed. Vol. Milton: Routledge.
4. Bălu, F. O., Bălu, P. E., Burlacu, S., Diaconu, A., Badea, C. G., & Buzoianu, O. A. C. (2019). Governance of Innovation at European Level. Proceedings of the 33rd IBIMA Conference, 10–11 April 2019, Granada, Spain
5. Burlacu, S., Diaconu, A., Balu, E. P., & Gole, I. (2021). The Economic and Social Effects of Unemployment in Romania. Revista de Management Comparat International, 22(1), 21–27. DOI: 10.24818/RMCI.2021.1.21