Safa, N. S., N. Abdul Ghani, and M. A. Ismail. “An Artificial Neural Network Classification Approach For Improving Accuracy Of Customer Identification In E-Commerce”. Malaysian Journal of Computer Science, vol. 27, no. 3, Sept. 2014, pp. 171-85, https://ijps.um.edu.my/index.php/MJCS/article/view/6813.