Maliki, 1981. Niger Range and Livestock Proj., USAID Niger Document reference Maliki, A., 1981. Ngaynaaka: herding according to the Wodaabe. Niger Range and Livestock Proj., USAID NigerWeb http://pdf.usaid.gov/pdf_docs/PNAAL115.pdfCitation key Maliki, 1981Datasheets Indian sandbur (Cenchrus biflorus)