TY  - BOOK
AU  - Haynes,William O.
AU  - Johnson,Carole E.
TI  - Understanding research and evidence-based practice in communication disorders: a primer for students and practitioners 
SN  - 9780205453634
PY  - 2009///
CY  - Boston
PB  - Pearson
KW  - Communication Disorders
KW  - Evidence-Based Medicine
KW  - Research design
KW  - Statistics as Topic
KW  - methods
ER  -