TY  - RPRT
TI  - Needs assessment: from theory to practice.
AU  - A Stevens
AU  - S Gillam
PY  - 1998
DO  - 10.1136/bmj.316.7142.1448
UR  - https://pubmed.ncbi.nlm.nih.gov/9572762/
ID  - 9572762
ER  -