John P Campbell

发表

Improving the Selection, Classification, and Utilization of Army Enlisted Personnel: Annual Report, 1987 Fiscal Year

John P Campbell, J. Campbell, 1988 .

Improving the Selection, Classification, and Utilization of Army Enlisted Personnel. Project A

John P Campbell, 1987 .

Improving the Selection, Classification, and Utilization of Army Enlisted Personnel. Annual Report, 1985 Fiscal Year. Supplement

John P Campbell, 1987 .