@misc{plc_simulation_software_2026_ladder_mistakes,
  author       = {{PLC Simulation Software}},
  title        = {The Most Common Ladder Logic Mistakes: What 10,000 Graded Attempts Taught Us},
  year         = {2026},
  month        = {7},
  howpublished = {Online data study and aggregate dataset},
  url          = {https://plcsimulationsoftware.com/blog/common-ladder-logic-mistakes},
  note         = {Based on 10,272 browser-simulator grading runs captured through 2026-07-10. Aggregate data pack version 1.0.}
}