Drupal Search Engine Marketing (SEM) Tips
Drupal fixed budget projets : the art of estimates
Drupal nagw
Not all data is born equal - B.C Open Data Summit 2013
Drupal module development
Blogging with drupal
Testing Drupal with Ghosts and Gherkin
Drupal
Dallas Drupal Days 2012 - Introduction to less sass-compass
Optimizing Drupal Performance Zend Acquia Whitepaper Feb2010
Amplexor drupalcamp-gent-2012 - kinepolis platform
GBIF Vocabularies, at TDWG 2011 (20 Oct 2011)