TY  - BOOK
AU  - Kelly,Anthony E.
AU  - Lesh,Richard A.
TI  - Handbook of research design in mathematics and science education
SN  - 0805832815 :
U1  - 507.1 
PY  - 2000///
CY  - Mahwah, N.J.
PB  - L. Erlbaum
KW  - Mathematics
KW  - Study and teaching
KW  - Research
KW  - Science
N1  - Includes bibliographical references and index
ER  -