Hashimoto, Y (2013) : Toothbrushing Practices after Lunch at Kindergartens and Nursery Schools. International Association of Early Childhood Education 34th Annual Convention Program, 61-62.
Hashimoto, Y., Okamura, H., Ninomiya, N. (2015) : Development of oral exercise for infants and challenges related to exercise-based intervention. International Association of Early Childhood Education 36th Annual Convention Program, 64-65.