Montessori Maria <br/><br/>
Advanced Montessori method: Scientific pedagogy as applied to the education of children from seven to eleven years. Part I. Spontaneous activity in education 

 - Oxford, UK  Clio Press  1991 
 - xiii,273p. 
 - The Clio Montessori. Vol 9 .
<br/><br/><br/>MACESE 
<br/><br/><label>ISBN: </label>0-575-03948-5 
<br/><br/><label>Source: </label>Textual