Publisher's Synopsis
Personnel enhancement in school and industry. This book, "Personnel enhancement in school and industry. Pt. 520", by John D. Beatty, is a replication of a book originally published before 1939. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.
