Agribusiness. 1990;6(3):191-207. doi: 10.1002/1520-6297(199005)6:3<191::aid-agr2720060303>3.0.co;2-o Q22.42025
Trends and composition of private food and agricultural R & D expenditures in the United States
美国私人食品与农业研发支出的趋势与构成
DOI: 10.1002/1520-6297(199005)6:3<191::aid-agr2720060303>3.0.co;2-o
摘要
