Brondízio, Eduardo S.; Safar, Carolina A.M.; Siqueira, Andréa D. (2002-03-01). "The urban market of Açaí fruit (Euterpe oleracea Mart.) and rural land use change: Ethnographic insights into the role of price and land tenure constraining agricultural choices in the Amazon estuary". Urban Ecosystems (ภาษาอังกฤษ). 6 (1): 67–97. doi:10.1023/A:1025966613562. ISSN1573-1642.
fao.org
"Palm trees"(PDF). The Food and Agriculture Organization of the United Nations. คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 18 May 2019.
"Palm trees"(PDF). The Food and Agriculture Organization of the United Nations. คลังข้อมูลเก่าเก็บจากแหล่งเดิม(PDF)เมื่อ 18 May 2019.
worldcat.org
Brondízio, Eduardo S.; Safar, Carolina A.M.; Siqueira, Andréa D. (2002-03-01). "The urban market of Açaí fruit (Euterpe oleracea Mart.) and rural land use change: Ethnographic insights into the role of price and land tenure constraining agricultural choices in the Amazon estuary". Urban Ecosystems (ภาษาอังกฤษ). 6 (1): 67–97. doi:10.1023/A:1025966613562. ISSN1573-1642.