Feldman, Roger D. “Convergence Commoditization: A Survival Guide for Corner Grocery Store Owners (And the Private Power Industry)”. Distributed Generation & Alternative Energy Journal 13, no. 3 (June 17, 1998): 17–20. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/DGAEJ/article/view/14761.