TY  - RPRT
TI  - What are consulting services worth? Applying cost analysis techniques to evaluate effectiveness.
AU  - K Mastroianni
AU  - D Machles
PY  - 1997
DO  - 10.3928/21650799-20121221-54
UR  - https://pubmed.ncbi.nlm.nih.gov/9043232/
ID  - 9043232
ER  -