| 2019 | New failure and minimal repair processes for repairable systems in a random environment | 차지환 | Article |
| 2016 | New shock models based on the generalized Polya process | 차지환 | Article |
| 2018 | On a New Shot Noise Process and the Induced Survival Model | 차지환 | Article |
| 2016 | On Ageing Concepts for Repairable Items From Heterogeneous Populations | 차지환 | Article |
| 2016 | On information-based warranty policy for repairable products from heterogeneous population | 차지환 | Article |
| 2020 | On optimal life extension for degrading systems | 차지환 | Article |
| 2018 | ON OPTIMAL OPERATIONAL SEQUENCE OF COMPONENTS IN A WARM STANDBY SYSTEM | 차지환 | Article |
| 2018 | On optimal replacement of systems with failure rates described by a random jump process | 차지환 | Article |
| 2018 | On preventive maintenance under different assumptions on the failure/repair processes | 차지환 | Article |
| 2019 | On some characteristics of quality for systems operating in a random environment | 차지환 | Article |
| 2016 | On some mortality rate processes and mortality deceleration with age | 차지환 | Article |
| 2016 | On some properties of shock processes in a 'natural' scale | 차지환 | Article |
| 2018 | On stochastic comparisons for population age and remaining lifetime | 차지환 | Article |
| 2016 | Optimal Long-Run Imperfect Maintenance With Asymptotic Virtual Age | 차지환 | Article |
| 2024 | Preventive maintenance for the constrained multi-attempt minimal repair | 차지환 | Article |
| 2021 | Rejoinder to "Virtual age, is it real?" | 차지환 | Article |
| 2019 | Stochastic modeling of quality of systems operating in a heterogeneous environment | 차지환 | Article |
| 2020 | Stochastic modelling of operational quality ofk-out-of-nsystems | 차지환 | Article |
| 2018 | Stochastic ordering for populations of manufactured items | 차지환 | Article; Proceedings Paper |
