Proceedings of the Second Pan American Scientific Congress: (Section Iv, Pt. 1) Education. P. P. Claxton, Chairman (Multilingual Edition)
by
Glen Levin Swiggett
Paperback
details (
United States
).
ISBN: 978-1-143-23457-6
ISBN-10: 1-143-23457-X
Nabu Press
· 2010
