TY  - BOOK
AU  - Kelly,Anthony E.
AU  - Lesh,Richard A.
TI  - Handbook of research design in mathematics and science education
SN  - 9781138975781
U1  - 507.1 
PY  - 2011///
CY  - New York.
PB  - Rotledge
KW  - Mathematics
KW  - Study and teaching
KW  - Research
KW  - Science
KW  - SCIENCE
KW  - Study & Teaching
UR  - http://www.columbia.edu/cgi-bin/cul/resolve?clio4243430
ER  -