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  | | 1988 World Food Conference Proceedings(1st Edition) Issue Papers by John W. Helmuth, Stanley R. Johnson Hardcover, 589 Pages, Published 1990 by Iowa State Pr ISBN-13: 978-0-8138-0898-7, ISBN: 0-8138-0898-7 |
 | | 1988 World Food Conference(1st Edition) Proceedings Volume 1: Policy Addresses by John W. Helmuth, Editor-Stanley R. Johnson Hardcover, 265 Pages, Published 1990 by Iowa State Pr ISBN-13: 978-0-8138-0897-0, ISBN: 0-8138-0897-9 |