Liu, Hsiang-Hsi. “Using DEA and Malmquist Productivity Index to Analyze the Operational Efficiency of Taiwan Biotechnological Industry”. Asian Economic and Financial Review 7, no. 8 (July 5, 2017): 809–822. Accessed June 7, 2025. https://www.archive.aessweb.com/index.php/5002/article/view/1597.