Progress report on maintenance and operations personnel.

التفاصيل البيبلوغرافية
مؤلفون مشاركون:	National Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel, American Association of State Highway and Transportation Officials. Subcommittee on Maintenance
التنسيق:	كتاب
اللغة:	الإنجليزية
منشور في:	Washington, D.C. Transportation Research Board 1983.
سلاسل:	Transportation Research Circular Number 250
الموضوعات:	Highway engineers > United States. Highway departments > United States. Road construction workers > United States. Roads > United States > Maintenance and repair.