TY  - BOOK
AU  - Sunil Kumar
AU  - Yadava S.B.
TI  - Positive psychology
SN  - 9789389124828
U1  - 150.198 SUN 
PY  - 2020///
CY  - New Delhi
PB  - Global vision publishing house
KW  - Optimism
KW  - Positive psychology
KW  - Psychology
ER  -