James D. Shaffer

The Looseleaf Reference Book: A Suggested Extension Technique

James D. Shaffer, 1956 .

Goal-oriented user interface

Keith E. Mathias, James D. Shaffer, 1999 .

Marketing of Agricultural Products

James D. Shaffer, R. Kohls, Richard L. Kohls, 1955 .

The Farm and Food System in Transition: Emerging Policy Issues

James D. Shaffer, Vernon L. Sorenson, L. Libby, 1981 .