C. J. Gaspar and I. C. Almeida,  "From Waste to Commons: Digital Pathways for Circularity and Community Resilience in Sintra", in Proc. of the 5th Int. Conf. Social and Solidarity Economy and the Commons – Collapse and regeneration: Community-led initiatives prefiguring liveable futures, Amandine Gameiro, Ed., Lisbon, SSE Organizing Committee and Coordination - CEI-ISCTE University of Lisbon, 2025, vol. 1, pp. 101-118