Drupal Commerce contributed modules overview

Distribuciones drupal

Import and synchronize Drupal commerce content using Commerce feeds

DrupalCommerce Lisbon presentation

Introduction to drupal

Drupal Commerce contrib overview

Drupal Commerce: A perfect match for your e-commerce needs

Drupal Commerce: Presente y futuro del comercio electrónico con Drupal

Introducción general a Drupal

Further Resources - Drupal training

Contributions: what they are and how to find them