TY  - RPRT
TI  - Surprising Results from Large Crowds Using Micro-Purchase Challenges - Using Contests on Freelancing Communities to Source Innovative, Impactful and Cost-Effective Solutions
AU  - Tang, Sarah
AU  - Rader, Steven N.
AU  - Phillips, Peter
PY  - 2018
UR  - https://ntrs.nasa.gov/citations/20180007437
ID  - 20180007437
ER  -