TY  - BOOK
AU  - Skaggs, Gary.
TI  - Test development and validation / 
SN  - 9781544377148
U1  - DC 300.72 2023
PY  - 2023///
CY  - Los Angeles
PB  - Sage
KW  - Social sciences
KW  - Methodology
KW  - Research
N1  - Includes appendices, bibliographical references and index

ER  -