TY  - BOOK
T1  - Quality assurance in data collection
A2  - Mullis, Ina V.S
A2  - Martin, Michael O.
LA  - English
PP  - Chestnut Hill, MA
PB  - Center for the Study of Testing, Evaluation, and Educational Policy, Boston College
YR  - 1996
UL  - https://tuklas.up.edu.ph/Record/UP-99796217608207902
CN  - QA11 T57 Q35 1996
SN  - 1889938017
KW  - Mathematics : Study and teaching : Evaluation : Statistical methods.
KW  - Science : Study and teaching : Evaluation : Statistical methods.
ER  -