TY  - RPRT
TI  - Principles in practice: reflections on a 'postpositivist' approach to evaluation research.
AU  - O Parry
AU  - W Gnich
AU  - S Platt
PY  - 2001
DO  - 10.1093/her/16.2.215
UR  - https://pubmed.ncbi.nlm.nih.gov/11345663/
ID  - 11345663
ER  -