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Winter, Kawika B.; McClatchey, Will (2009). "The Quantum Co-evolution Unit: An Example of 'Awa (Piper methysticum G. Foster) in Hawaiʻi". Economic Botany. 63 (4): 353–362. doi:10.1007/s12231-009-9089-0. S2CID26709291.
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Harmon, Loh, David, Jonathan. "Index of Linguistic Diversity". Terralingua: unity in biocultural diversity. Archived from the original on 31 October 2019. Retrieved 29 October 2012.{{cite web}}: CS1 maint: multiple names: authors list (link)
web.archive.org
Harmon, Loh, David, Jonathan. "Index of Linguistic Diversity". Terralingua: unity in biocultural diversity. Archived from the original on 31 October 2019. Retrieved 29 October 2012.{{cite web}}: CS1 maint: multiple names: authors list (link)