TY  - BOOK
AU  - Zichermann, Gabe
AU  - Cunningham, Christopher
TI  - Gamification by design : implementing game mechanics in web and mobile apps
SN  - 9789350234549  
U1  - 006.7 
PY  - 2018///
CY  - Sebastopol: 
PB  - O'Reilly Media Inc
KW  -  design
KW  -  development
KW  -  internet games
KW  -  mobile games
KW  -  psychological aspects
KW  -  Social media--Marketing
KW  - application software
ER  -