1. IOGP Report 2018sh, “Safety performance indicators – 2018 data – High potential event reports,” no. June, 2019, [Online]. Available: https://www.iogp.org/bookstore/product/iogp-report-2018sh-safety-performance-indicators-2018-data-high-potential-event-reports/.
2. IOGP Report 2018sh, “Safety performance indicators – 2018 data – High potential event reports,” no. June, 2019, [Online]. Available: https://www.iogp.org/bookstore/product/iogp-report-2018sh-safety-performance-indicators-2018-data-high-potential-event-reports/.
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5. IOGP Report 2018sh, “Safety performance indicators – 2018 data – High potential event reports,” no. June, 2019, [Online]. Available: https://www.iogp.org/bookstore/product/iogp-report-2018sh-safety-performance-indicators-2018-data-high-potential-event-reports/.