Authors: Wallace E. Huffman Robert E. Evenson

Citation: Wallace E. Huffman et Robert E. Evenson, Contributions of Public and Private Science and Technology to U.S. Agricultural Productivity, American journal of agricultural economics, 74(03), 1992, pp. 751

Authors: Mark W. Rosegrant Robert E. Evenson

Citation: Mark W. Rosegrant et Robert E. Evenson, Agricultural Productivity and Sources of Growth in South Asia, American journal of agricultural economics, 74(03), 1992, pp. 757