Optimal threshold value of failure-rate for leased products with preventive maintenance actions. - Ruey-Huei Yeh; Wen Liang Chang (Math. Comput. Model., 2007)

Optimal preventive maintenance policy for leased equipment using failure rate reduction. - Ruey-Huei Yeh; Kow-Chin Kao; Wen Liang Chang (Comput. Ind. Eng., 2009)

Optimal threshold values of age and two-phase maintenance policy for leased equipments using age reduction method. - Ruey-Huei Yeh; Wen Liang Chang; Hui-Chiung Lo (Ann. Oper. Res., 2010)

Joint determination of lease period and preventive maintenance policy for leased equipment with residual value. - Wen Liang Chang; Hui-Chiung Lo (Comput. Ind. Eng., 2011)

Preventive-maintenance policy for leased products under various maintenance costs. - Ruey-Huei Yeh; Kow-Chin Kao; Wen Liang Chang (Expert Syst. Appl., 2011)

Optimal length of lease period and maintenance policy for leased equipment with a control-limit on age. - Ruey-Huei Yeh; Wen Liang Chang; Hui-Chiung Lo (Math. Comput. Model., 2011)

Optimal maintenance policy and length of extended warranty within the life cycle of products. - Wen Liang Chang; Jyh-Horng Lin (Comput. Math. Appl., 2012)

Seed Disperser Ant Algorithm: An Evolutionary Approach for Optimization. - Wen Liang Chang; Jeevan Kanesan; Anand Jayant Kulkarni (EvoApplications, 2015)

Optimal single-replacement for repairable products with different failure rate under a finite planning horizon. - Wen Liang Chang (Int. J. Syst. Sci., 2015)

Data clustering using seed disperser ant algorithm. - Wen Liang Chang; Jeevan Kanesan; Anand Jayant Kulkarni; Harikrishnan Ramiah (Turkish J. Electr. Eng. Comput. Sci., 2017)