The value of setup cost reduction and process improvement for the economic production quantity model with defects. - Michael Freimer; Douglas J. Thomas; John G. Tyworth (Eur. J. Oper. Res., 2006)

JIT delivery with stochastic lead time. - Jack C. Hayya; Ranga V. Ramasesh; John G. Tyworth; John G. Kim; Daewon Sun (J. Oper. Res. Soc., 2013)