TY  - BOOK
AU  - Peck,Laura R.
TI  - Experimental evaluation design for program improvement
SN  - 9781506390055 (paperback)
AV  - QA279 P43  
PY  - 2020///]
CY  - Los Angeles
PB  - SAGE
KW  - Experimental design
N1  - Includes bibliographical references and index
ER  -