Comparing Niko-Niko Room's educational support effects of university students, school children, and guardians (1) : Questionnaires from the first semester of 2008
Effects of Niko Niko Room's educational support on university students and school children : Re-analysis of survey data from the first semester of 2008
A study on the difficulties of teaching in physical education (Part I) : Focusing on the difference of the difficulties according to teaching experiences