John Barrie BUTTON has 3 pdc course graduates
| Name | Course Title | Type | Date | Location | Teachers | |
|---|---|---|---|---|---|---|
 |
Stephanie Garvin | PDC | Permaculture Design Certificate (PDC) course | Nov 2009 | Sadhana Forest, Tamil Nadu, India | John Barrie BUTTON |
 |
Karryn Olson-Ramanujan | Permaculture Design for Tropical Climates | Permaculture Design Certificate (PDC) course | Jan 1998 | Annamalai Reforestation Society, Tiruvannamalai, India | John Barrie BUTTON |
 |
Ebe Navarini | PDC 72H | Permaculture Design Certificate (PDC) course | Apr 2013 | Bologna Italy | John Barrie BUTTON Francesca Simonetti |
