Basic ideas of Montessori's educational theory : extracts from maria Montessori's writings and teachings /
Maria Montessori; originally compiledby Paul Oswald and Gunter Schulz-Benisch; translated from the German by Laurence Salmon.
- Oxford : Clio Press, c1997.
- xiii, 208 p. : front.
- Clio Montessori series ; v.14 .