Spelman, C. A. (1994). Non-food uses of agricultural raw materials: economics: Biotechnology and politics. CAB International.
Chicago-viite (17. p.)Spelman, Caroline A. Non-food Uses of Agricultural Raw Materials: Economics: Biotechnology and Politics. Wallingford: CAB International, 1994.
MLA-viite (9. p.)Spelman, Caroline A. Non-food Uses of Agricultural Raw Materials: Economics: Biotechnology and Politics. CAB International, 1994.
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