TY  - RPRT
TI  - Collaborative Systems Thinking: A Response to the Problems Faced by Systems Engineering's 'Middle Tier'
AU  - Phfarr, Barbara B.
AU  - So, Maria M.
AU  - Lamb, Caroline Twomey
AU  - Rhodes, Donna H.
PY  - 2009
UR  - https://ntrs.nasa.gov/citations/20090016182
ID  - 20090016182
ER  -