TY - JOUR T1 - A mapping study on testing non-testable systems JO - Software Quality Journal UR - http://eprints.whiterose.ac.uk/142312/ PY - 2018/12/01 AU - Patel K AU - Hierons RM ED - DO - DOI: 10.1007/s11219-017-9392-4 VL - 26 IS - 4 SP - 1373 EP - 1413 Y2 - 2024/12/21 ER -