Kumar, L., and S. K. Rath. “Hybrid Neural Network Approach for Predicting Maintainability of Object-Oriented Software”. INFOCOMP Journal of Computer Science, vol. 13, no. 2, Dec. 2014, pp. 10-21, http://infocomp.dcc.ufla.br/index.php/infocomp/article/view/391.