- Planning, Monitoring and Evaluation in Development Organisations
- Air Crash Investigations: The Crash of American Airlines Flight 587
- Air Crash Investigations: Captain in Panic the Crash of Armavia Flight 967
- Air Crash Investigations: MECHANICAL FAILURE OR SUICIDE (1) The Crash of SilkAir Flight 185
- Air Crash Investigations: Misjudgment in the Virgin Islands the Crash of American Airlines Flight 625