TY  - BOOK
AU  - Keppel,Geoffrey
TI  - Design and analysis : : a researcher's handbook 
SN  - 0132007754
U1  - 300.724 
PY  - 1991///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall
KW  - Factorial experiment designs
KW  - Social sciences
ER  -