1. Value co-creation as a complex adaptive process by Francesco Polese, Cristina Mele, Evert Gummesson, Journal of Service Theory and Practice, Vol. 27 Issue: 5, pp.926-929, https://
doi.org/10.1108/JSTP-07-2017-0111
2. Total Relationship Marketing Third Edition Marketing management by Evert GummessonPrahalad and Ramaswamy (2004), The Future of Competition: Co-creating Unique Value with Customers, Harvard Business School Press.
3. Alessandro-Longo :https://www.researchgate.net/profile/Alessandro_Longo4/publication/319914291_VSA_Applied_to_Stakeholder_Management_within_Project_Management_complex_contexts/links/59c18530aca272295a09abee/VSA-Applied-to-Stakeholder-Management-within-Project-Management-complex-contexts.pdf
4. Between service culture, empathy and ethical behaviour: insights derived from the Viable Systems Approach Francesco Polese – University of Cassino Bernardino Quattrociocchi – University of Rome ‘La Sapienza’
5. Sam Milbrath:https://www.visioncritical.com/5-examples-how-brands-are-using-co-creation/
6. David Moth: https://econsultancy.com/blog/11098-how-coca-cola-uses-co-creation-to-crowdsource-new-marketing-ideas
7. Prahalad-Ramaswammy:https://www.12manage.com/methods_prahalad_co-creation.html