1. Sudesh Garg, Ravi Kumar Goyal (2015).A Study of Surface Roughness in Drilling of AISI H11 Die Steel using Face Centered Design. IJIRST –International Journal for Innovative Research in Science & Technology|, Vol. 1, Issue 12, 2349-6010.
2. Roughness parameters;Gadelmawla;Journal of Materials Processing Technology,2002
3. Evaluation Of Surface Roughness Using Image Processing Technique;Reddy;Pentagram Research Centre (P) Limited.,2004
4. A study of surface roughness in drilling using mathematical analysis and neural networks;Sanjay;The International Journal of Advanced Manufacturing Technology,2006
5. Surface Roughness Optimization in a Drilling Operation Using the Taguchi Design Method;Zhang;Materials and Manufacturing Processes,2009