Links de referência
https://www.revistasustentavel.pt/
https://circulareconomy.europa.eu/platform/
https://circulareconomy.europa.eu/platform/en/education/how-become-industrial-symbiosis-facilitator (Como se tornar um facilitador de simbiose industrial)
https://www.insight-erasmus.eu/
https://www.insight-erasmus.eu/circular-economy-in-industry-industrial-symbiosis/
https://insight.learning-platform.eu/
https://www.residuosprofesional.com/
https://www.catedraeconomiacircular-us.es/
https://circular.ineditinnova.com/index/en (Avalie sua empresa com a ferramenta de circularidade da inèdit)
https://mooc.saxion.nl/courses/course-v1:SAXION+OfS1+2122q1/about?utm_source=MOOC+Organizing+for+Sustainability (Organização para a Sustentabilidade - Um guia para desenvolver novos modelos de negócios)
https://www.simbiosy.com/cuestionario (Questionário de Auto-Avaliação: Você está pronto para lançar um projeto de simbiose industrial?)
https://agenciaeconomica.amb.cat/economia-circular https://doughnuteconomics.org/
https://doughnuteconomics.org/about-doughnut-economics (DEAL - Donut Economics Action Lab)
https://www.bcorporation.net/en-us/find-a-b-corp/company/ecycle/ https://circularinnovationlab.com/
https://circularinnovation.ca/