00562nam 2200169z- 450 9910693509103321(CKB)4970000000039409(EXLCZ)99497000000003940920240129c1999uuuu -u- -engMajor management challenges and program risks : National Aeronautics and Space AdministrationWashington, D.CMajor Management Challenges and Program RisksDOCUMENT9910693509103321Major management challenges and program risks3422929UNINA