APA Format
Error In Maintenance
https://www.faa.gov/about/initiatives/maintenance_hf/library/documents/media/human_factors_maintenance/a_review_of_human_error_in_aviation_maintenance_and_inspection.pdf
http://aviationknowledge.wikidot.com/deleted:aviation:aviation-maintenance:human-errors-and-cause
https://link.springer.com/chapter/10.1007/978-1-84628-812-8_10