TY  - BOOK
AU  - David H. Jonassen; Michael Yacci; Katherine Beissner; Michael Yacci; Michael Yacci; Katherine Beissner
TI  - Structural Knowledge
SN  - 9780203052563
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780203052563
ER  -