Hsiao, Suh Chen, and Luke Hsiao. “Application of Data Envelopment Analysis to Evaluating Elderly Social Welfare Performance”. Revista de Cercetare si Interventie Sociala 48 (March 31, 2015): 83–94. Accessed November 6, 2026. https://www.rcis.ro/journal/article/view/2152-application-of-data-envelopment-analysis-to-evaluating.