Hsiao, Suh Chen, et Luke Hsiao. « Application of Data Envelopment Analysis to Evaluating Elderly Social Welfare Performance ». Revista de Cercetare si Interventie Sociala, vol. 48, mars 2015, p. 83-94, https://www.rcis.ro/journal/article/view/2152-application-of-data-envelopment-analysis-to-evaluating.