An examination of Konrad Koch's theory of play in the school for sports education: Play movement and self-discipline in the Martino-Katharineum gymnasium

Kamasaki, F. (2010). An examination of Konrad Koch’s theory of play in the school for sports education: Play movement and self-discipline in the Martino-Katharineum gymnasium. Taiikugaku Kenkyu (Japan Journal of Physical Education, Health and Sport Sciences), 55(2), 481–498. https://doi.org/10.5432/jjpehss.09064