TY  - BOOK
AU  - Duffy,Thomas M.
AU  - Jonassen,David H.
TI  - Constructivism and the technology of instruction: a conversation 
SN  - 9781138142619
PY  - 2016///
CY  - New York, NY
PB  - Routledge
KW  - Instructional systems
KW  - Design
KW  - Constructivism (Education)
N1  - Includes bibliographical references and index
ER  -