TY  - RPRT
TI  - Maximizing mailed questionnaire responses.
AU  - C M Baker
PY  - 1985
DO  - 10.1111/j.1547-5069.1985.tb01639.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3852770/
ID  - 3852770
ER  -