Soemadi, K., Iskandar, B. P. and Taroepratjeka, H. (2014) “Optimal Overhaul-Replacement Policies for Repairable Machine Sold with Warranty”, Journal of Engineering and Technological Sciences, 46(4), pp. 465-483. doi: 10.5614/j.eng.technol.sci.2014.46.4.9.