Thummalapalli, R., Yeddula, V.R., Musunuru, V.K., Jones, E.C. and Bishu, R. 2011. ADVANCED MACHINE TOOLS: HOW BEST TO TRAIN OPERATORS. International Journal of Industrial Engineering: Theory, Applications and Practice. 18, 12 (Dec. 2011). DOI:https://doi.org/10.23055/ijietap.2011.18.12.241.