Etxabe, I. and Valdaliso, J.M. 2025. Social Network Analysis: Not merely a visualisation tool? Insights from the study of business networks and groups in Biscay, 1879-1913. Revista de Historia Industrial — Industrial History Review. 34, 93 (Mar. 2025), 69–98. DOI:https://doi.org/10.1344/rhiihr.43554.