The role of physical maturation in determining the ability of junior high school boys to perform complex finger coordinate activities in industrial arts
Subtitle: and index to level of ability; research report, June 15, 1957.
Publisher: American Technical Society
Published: 1958
Place of publication: [Chicago
Language: eng
Number of pages: 81
Subjects: Ability -- Testing.; Industrial efficiency.; Boys.
Notes: Bibliographical footnotes.