Development of Plays in One-Year-Old at Day Nursery-Reconsideration by Learning from some Nurturing Practices-. The Bulletin of the Chukyo College. 1995. 26. 1. 61-70
A Consideration of Teacher-and-Infant Sympathetic Play in the Care and Education of Children under Three. RESEARCH ON EARLY CHILDHOOD CARE AND EDUCATION IN JAPAN. 1995. 33. 1. 52-58