TY  - RPRT
TI  - Impact evaluation: a competency-based approach.
AU  - P E Greaves
AU  - R S Loquist
PY  - 1983
DO  - 10.1097/00006216-198300730-00010
UR  - https://pubmed.ncbi.nlm.nih.gov/6552404/
ID  - 6552404
ER  -