共 41 条
[24]
Lincoln Y. S., 1985, Naturalistic inquiry, DOI DOI 10.1016/0147-1767(85)90062-8
[25]
Best-Practice Guidelines for Physical Activity at Child Care
[J].
PEDIATRICS,
2009, 124 (06)
:1650-1659
[27]
Physical activity among children attending preschools
[J].
PEDIATRICS,
2004, 114 (05)
:1258-1263
[30]
Ringeisen H, 2003, SCHOOL PSYCHOL REV, V32, P153