Stefan Sobkowiak has 2 pdc course graduates
| Name | Course Title | Type | Date | Location | Teachers | |
|---|---|---|---|---|---|---|
 |
Marie-Claude de Passillé | PDC | Permaculture Design Certificate (PDC) course | Jan 2010 | McMasterville | Stefan Sobkowiak Bernard Alonso |
 |
Harmony Salem | Permaculture Design Certificate | Permaculture Design Certificate (PDC) course | May 2007 | Rougemont, Quebec, Canada | Stefan Sobkowiak Bernard Alonso, Mélanie Morel |
