1. Alaimo, L. S. 2020. Complexity of Social phenomena: Measurements, analysis, representations and synthesis. Unpublished doctoral dissertation, University of Rome “La Sapienza”, Rome.
2. Atlan, H. (2015). Entre le cristal et la fumée. Essai sur l’organisation du vivant. Paris: Edit. du Seuil.
3. Capra, F. (1996). The web of life: A new scientific understanding of living things. New York: Anchor books.
4. DE Toni, A. F., & Comello, L. (2005). Prede o ragni: Uomini e organizzazioni nella ragnatela della complessità. Torino: Utet libreria.
5. DE Toni, A. F., Alberto, F., & Comello, L. (2010). Journey into complexity. Venezia: Marsilio Editori.