ဤအရာ Link သင်၏ဘာသာစကားတွင်မရှိပါ။, တွင်..ကြည့်ပါ။: English (en),
သို့မဟုတ် ဂူဂယ်ဘာသာပြန်ကိုအသုံးပြုပါ။:  

http://holmgren.com.au/permaculture/

David Holmgren is regularly involved in teaching on a variety of permaculture courses including the well known Permaculture Design Certificate course. He also offers workshops, and talks at a diverse range of events and venues.


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Permaculture Key Resource