TY  - RPRT
TI  - Concept advancement: Extending science through concept-driven research.
AU  - Janice Penrod
AU  - Judith E Hupcey
PY  - 2005
DO  - 10.1891/rtnp.2005.19.3.231
UR  - https://pubmed.ncbi.nlm.nih.gov/16144241/
ID  - 16144241
ER  -