Alrafadi, K.M.S., Yusuf, M.M. and Kamaruddin, B.H. 2016. Measuring Efficiency in Banks: A Brief Survey on Non – Parametric Technique (Data Envelopment Analysis). International Journal of Business, Economics and Management. 3, 5 (May 2016), 52–68. DOI:https://doi.org/10.18488/journal.62/2016.3.5/62.5.52.68.