X. Agnes Lai, J., j. H. Lam, and W. S. Lam. “Optimization on the Credit Risk of Companies in Malaysia With Data Envelopment Analysis Model”. International Journal of Engineering & Technology 7, no. 4.11 (October 2, 2018): 13–16. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/20680.