=== DDD ===
 
  * Models and Service Layers, Hemoglobin and Hobgoblins [[https://www.slideshare.net/rosstuck/models-and-service-layers-hemoglobin-and-hobgoblins]]
  * Рефакторинг PHP-кода с применением DDD [[https://www.youtube.com/watch?v=9xoP9GCUoDU]]
  * How to publish and handle Domain Events [[http://www.kamilgrzybek.com/design/how-to-publish-and-handle-domain-events/]]