TY  - BOOK
AU  - Alonzo,Alicia C.
AU  - Gotwals,Amelia Wenk
ED  - ebrary, Inc.
TI  - Learning progressions in science: current challenges and future directions 
AV  - Q181 .L43 2012eb
PY  - 2012///
CY  - Rotterdam
PB  - Sense Publishers
KW  - Science
KW  - Study and teaching
KW  - Electronic books
KW  - local
N1  - Includes bibliographical references; Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://site.ebrary.com/lib/daystar/Doc?id=10589382
ER  -