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ISNAR agricultural research indicator series : A global data base on national agricultural research systems by Philip G. Pardey and Johannes Roseboom Cambridge University Press, Cambridge, UK, 1989, 547 pp
Tilo UlbrichtVolume:
15
Year:
1990
Language:
english
Pages:
2
DOI:
10.1016/0306-9192(90)90047-4
File:
PDF, 266 KB
english, 1990