TY  - RPRT
TI  - A guide to research methodology.
AU  - P A Lewis
AU  - E A Nelson
PY  - 1998
DO  - 10.12968/jowc.1998.7.7.361
UR  - https://pubmed.ncbi.nlm.nih.gov/9791368/
ID  - 9791368
ER  -