Lombardozzi, L. “Review: Q-Squared: Combining Qualitative and Quantitative Approaches in Poverty Analysis by Paul Shaffer”. Economic Issues 22, no. 1 (March 1, 2017): 120–122. Accessed September 17, 2026. https://mail.economicissues.org.uk/index.php/EI_OJS/article/view/277.