| 其他書名 | Or is It? A Study of Safety Clothing Worn by Youth Working in Labor Intensive Programs Funded Under the Youth Employment and Demonstration Projects Act of 1977 |
| 出版 | University of Minnesota, 1980 |
| URL | http://books.google.com.hk/books?id=ZEU7jzb2ZbYC&hl=&source=gbs_api |