Hyman, 1992. Gatekeeper series No. SA 33 1992 Document reference Hyman, E. L., 1992. Local agro-processing with sustainable technology. Sunflower seed oil in Tanzania. Gatekeeper series No. SA 33 1992 Web http://pubs.iied.org/pdfs/6047IIED.htmlCitation key Hyman, 1992Datasheets Sunflower meal
