TY  - BOOK
AU  - Krone, Max
TI  - Positive psychology
SN  - 979-8-637-1-9682-1
AV  - BF 204.6 K76 2020 
PY  - 2020///
CY  - Mak Direct  LLC, 
PB  - Oakland Park, FL : 
KW  - POSITIVE PSYCHOLOGY
ER  -