TY  - JOUR
A1  - Larson, R.W.
A1  - Verma, S.
T1  - How children and adolescents spend time across the world: Work, play, and developmental opportunities
Y1  - 1999
DO  - 10.1037//0033-2909.125.6.701
VL  - 125
IS  - 6

ER  -