1. Production workers are working foremen and all workers below the working foreman level engaged in the manufacturing operation of the establishment. Excluded are all personnel engaged in nonproduction activities such as sales, delivery, advertising, legal, cafeteria, or construction of plant additions or alterations; executive personnel and supervisors above the foreman level; and self-employed or unpaid family workers.
2. Agricultural Economics Beyond the Farm Gate
3. Northeast Regional Council (II). Toward 2005: Issues and Opportunities. Task Force II Report, Part 1. June 1987.