ISBN-13: 9780837601731 / Angielski / Twarda / 1965 / 384 str.
ISBN-13: 9780837601731 / Angielski / Twarda / 1965 / 384 str.
Hardcover edition of Dr. Montessori's Spontaneous Activity in Education. Scientific pedagogy as applied to child education in the Children's Houses including chapters on the preparation of the teacher, attention and environment.