TY - BOOK AU - Montessori Maria TI - Advanced Montessori method: Scientific pedagogy as applied to the education of children from seven to eleven years. Part I. Spontaneous activity in education T2 - The Clio Montessori. Vol 9 SN - 0-575-03948-5 PY - 1991/// CY - Oxford, UK PB - Clio Press ER -