TY  - RPRT
TI  - The case study as a research strategy.
AU  - B Fridlund
PY  - 1997
DO  - 10.1111/j.1471-6712.1997.tb00423.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9275815/
ID  - 9275815
ER  -