www.holmgren.com.au

David Holmgren was the research student and co-originator with Bill Mollison, his research supervisor, of the permaculture concept.

URLs from www.holmgren.com.au:

URL: http://www.holmgren.com.au URL: http://www.holmgren.com.au/html/Writings/weeds.html URL: http://www.holmgren.com.au/

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