Sohn, S. Y.; Yoon, K. B. Dynamic preventive maintenance scheduling of the modules of fighter aircraft based on random effects regression model. (English) Zbl 1196.90075 J. Oper. Res. Soc. 61, No. 6, 974-979 (2010). MSC: 90B90 90B25 PDFBibTeX XMLCite \textit{S. Y. Sohn} and \textit{K. B. Yoon}, J. Oper. Res. Soc. 61, No. 6, 974--979 (2010; Zbl 1196.90075) Full Text: DOI
Sohn, S. Y.; Kim, Y.; Kim, B. T. Cost of ownership model for spare engines purchase for the Korean navy acquisition program. (English) Zbl 1196.90074 J. Oper. Res. Soc. 60, No. 12, 1674-1682 (2009). MSC: 90B90 PDFBibTeX XMLCite \textit{S. Y. Sohn} et al., J. Oper. Res. Soc. 60, No. 12, 1674--1682 (2009; Zbl 1196.90074) Full Text: DOI
Yoon, K. B.; Sohn, S. Y. Forecasting both time varying MTBF of fighter aircraft module and expected demand of minor parts. (English) Zbl 1178.90030 J. Oper. Res. Soc. 58, No. 6, 714-719 (2007); corrigendum ibid. 60, No. 9, 1292-1294 (2009). MSC: 90B05 91B82 62P30 62M10 PDFBibTeX XMLCite \textit{K. B. Yoon} and \textit{S. Y. Sohn}, J. Oper. Res. Soc. 58, No. 6, 714--719 (2007; Zbl 1178.90030) Full Text: DOI
Sohn, S. Y.; Choi, H. Random effects logistic regression model for data envelopment analysis with correlated decision making units. (English) Zbl 1113.90077 J. Oper. Res. Soc. 57, No. 5, 552-560 (2006). MSC: 90B50 90B06 62P20 PDFBibTeX XMLCite \textit{S. Y. Sohn} and \textit{H. Choi}, J. Oper. Res. Soc. 57, No. 5, 552--560 (2006; Zbl 1113.90077) Full Text: DOI