TY  - BOOK
AU  - Trefry,Gregory
TI  - Casual game design: designing play for the gamer in all of us 
SN  - 9780123749536 (pbk.)
U1  - 794.81 
PY  - 2010///
CY  - Burlington, MA, Oxford
PB  - Morgan Kaufmann/Elsevier
KW  - Computer games
KW  - Design
KW  - Programming
N1  - Includes bibliographical references and index
ER  -