Hallock, Grace T., Allen, Ross L., and Thomas, Eleanor. Health and happy days and Health in work and play.Boston (statler building) : Ginn and company, 1954. 127 p. and 160 p. $1.40 and $1.52.

• 卷第43卷
• 期第1期
• 印刷ISSN0036-8326
• 电子ISSN1098-237X
• 文件大小106.99KB
• 发表时间1959
• DOI10.1002/sce.3730430131
• 页码84-84