Gabriele, Susan Farr. “THE HARD FACTS OF SOFT SOCIAL SYSTEMS: BOULDING’S TYPOLOGY AND THE ROUNDTABLE FOR NEW THEORY AND PRACTICE”. Proceedings of the 54th Annual Meeting of the ISSS - 2010, Waterloo, Canada 54, no. 1 (August 25, 2010). Accessed October 3, 2022. https://journals.isss.org/index.php/proceedings54th/article/view/1393.