The longitudinal change of difference in physical fitness levels among young children:Based on the data from a follow-up survey administered over a three-year period

Kasuga, K. (2009). The longitudinal change of difference in physical fitness levels among young children:Based on the data from a follow-up survey administered over a three-year period. Japan Journal of Human Growth and Development Research, 2009(41), 41_17-41_27. https://doi.org/10.5332/hatsuhatsu.2009.41_17