katie did - katie did journal - tutorial: flower collar
http://katiedid.squarespace.com/katie-did-journal/2009/5/1/tutorial-flower-collar.html
How to Make a Kusudama Flower (with pictures) - wikiHow
http://www.wikihow.com/Make-a-Kusudama-Flower
Construção de flores
Como hacer una flor KusudamaDIY Mother's Day Corsage: Felt Dahlia Flower Brooch - Holidays News - Holidash