小関 利紀也
Japanese
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Kozeki
小関
Rikiya
利紀也
Male
Published in: Kōgei Nyūsu, Volume 29, Issue 7
Published in: Kōgei Nyūsu, Volume 36, Issue 3
Studies on design for children
Published in: Kōgei Nyūsu, Volume 37, Issue 5
Current problems – Child's play and his environment
