Drupal Community The Architect and the Organism: What Plato & Aristotle have to say about Drupal Presented by Matt Butcher. - ppt download
Drupal - Wikipedia
Beginning Drupal Module Development or How I Wrote the Cacheflusher Module (Part 1) | DrupalEasy
How to use the Drupal 8 configuration system | Greg Dunlap
Drupal 7 Books: Valuable Resources for Site Builders | Drupal Watchdog
Learning Helm eBook by Matt Butcher - EPUB | Rakuten Kobo Australia
Learning Drupal 6 Module Development (Paperback) - Walmart.com
Drupal 7 Module Development by Matt Butcher (2010-12-03): Matt Butcher;Larry Garfield;John Albin Wilkins;Matt Farina;Ken Rickard;Greg Dunlap: Books - Amazon.ca
Beginning Drupal Module Development or How I Wrote the Cacheflusher Module (Part 1) | DrupalEasy
Learning Drupal 6 Module Development | Drupal.org
Drupal 7 Books: Valuable Resources for Site Builders | Drupal Watchdog
Holdings: Drupal 7 module development
Learning Drupal 6 module development book | Dries Buytaert