TY  - BOOK
AU  - Walvoord,Barbara E.
AU  - Anderson,Virginia Johnson
TI  - Effective grading: a tool for learning and assessment in college
SN  - 978-0-470-50215-0
PY  - 2010///
CY  - San Francisco
PB  - Jossey-Bass
N1  - Бібліогр. : с. 237-247, Покажчик
ER  -