International Civil Aviation Organization ATS Quality Assurance Seminar for the NAM/CAR/SAM Regions Mexico City 16 - 20 October 2000
https://www.powershow.com/view4/64ec43-MDM0N/International_Civil_Aviation_Organization_ATS_Quality_Assurance_Seminar_for_the_NAM_CAR_SAM_Regions_Mexico_City_16_-_20_October_2000_powerpoint_ppt_presentation
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