این Link در زبان شما وجود ندارد, مشاهده در: English (en),
و یا استفاده از گوگل ترجمه:  

http://www.permaculture.net/

Permaculture.Net has been helping facilitate all things Permaculture for over 10 years. Explore Permaculture courses and internships being offered worldwide. Network with others in our forum. And check out our extensive website resource list.