Small-scale oil extraction from groundnuts and copra

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi rangatōpū: International Labour Office, United Nations Industrial Development Organization
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Geneva ILO 1983
Rangatū:Technical memorandum no. 5
Ngā marau:
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