Drupal 8, Where Did the Code Go? From Info Hook to Plugin
Drupal 7 caching tools and cache segments — Internetdevels official blog
Drupal 8 Deep Dive: Plugin System
Creating a module within Drupal 7, which allows us to display a themed block with editable predefined custom fields
Writing Drupal 7 Modules | Drupal Watchdog
Porting blocks to Drupal 8 plugins | QED42
Drupal 7 hook_block_info() и hook_block_view() выводим информацию в блоке | Drupal Book
Drupal 8 Deep Dive: Plugin System
Manual de Programación en Drupal 7
Building Custom Blocks with Drupal 7 | Four Kitchens
An introduction to Drupal Hooks | 3C Web Services of Tampa Bay
Agregación de Ficheros CSS / JS en nuestros módulos y temas de Drupal 7 | Drauta SEIDOR
Creating a module within Drupal 7, which allows us to display a themed block with editable predefined custom fields
Drupal 7 - Unidad 48 - Programación de bloques (PDF) | Forcontu - Formación y Consultoría Drupal
Atelier Drupal 7
Declaring the block | Creating custom modules | Drupal Wiki guide on Drupal .org
4. Drupal Programming Examples - Programmer's Guide to Drupal, 2nd Edition [Book]
Drupal 8 development: useful tips — Internetdevels official blog
Drupal 7 Module Development Course Online For Free With Certificate - Mind Luster
Drupal 8: Creating custom contact us block with a form field
Extended block visibility | Drupal.org
Drupal 7 - Creating block programmatically | Greater Than 0
Drupal 7 Module Development
drops-7/CHANGELOG.txt at default · pantheon-systems/drops-7 · GitHub
