Here some interesting articles on worker cooperatives:
The Case for Worker Cooperatives – by Nancy Folbre, New York Times
Worker Cooperatives: A Bipartisan Solution to America’s Growing Income Inequality – by Benjamin Gillies, Kennedy School Review
10 Lessons from Kenya’s Remarkable Cooperatives – Nathan Schneider, Shareable
Mondragón Cooperative: A Bussiness with a Commitment to a Common Good – by Georgia Kelly and Shaula Massena, Yes! Magazine