Books by John A. Hopkin

Cover of Financial management in agriculture

Financial management in agriculture

by Peter J. Barry, Paul N. Ellinger, John A. Hopkin, C. B. Baker

1999

Cover of Human factors in certification

Human factors in certification

by John A. Wise, V. David Hopkin

2000

Cover of Handbook of aviation human factors

Handbook of aviation human factors

by John A. Wise, V. David Hopkin

2010

Agricultural economics

Agricultural economics

by John A. Hopkin

1985

An economic study of peaches in California

An economic study of peaches in California

by John A. Hopkin

1960

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