@article{article, title  = {{A mapping study on testing non-testable systems.}},

 publisher = {{Springer Verlag}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/142312 https://doi.org/10.1007/s11219-017-9392-4 }},

 year = {{2018}},

 month = {{12}},

 author = {{Patel K and Hierons RM}},

 doi = {{10.1007/s11219-017-9392-4}},

 volume = {{26}},

 journal = {{Software Quality Journal}},

 issue = {{4}},

 pages = {{1373-1413}},

 note = {{Accessed on 2025/11/05}}}