کتاب پرستاشاپ

https://books.google.com/books?id=BsSiBQAAQBAJ&pg=PT178&lpg=PT178&dq=prestashop+_join%28%29&source=bl&ots=JCdV6nBcjq&sig=5jTC4Xeeu1WvfhMJOEMStG3TYrk&hl=en&sa=X&ved=0CDMQ6AEwAmoVChMIl_D6msP5xwIVw9YaCh3o5wD6#v=snippet&q=ObjectModel&f=false

 

 

http://www.amazon.com/PrestaShop-Module-Development-Fabien-Serny-ebook/dp/B00QFBNXIO
 

 

https://www.packtpub.com/web-development/prestashop-module-development

 

 

Prestashop MVC Developer Guide

 

 

http://www.amazon.com/gp/search?index=books&linkCode=qs&keywords=9781326399085

 

https://books.google.com/books?id=0hx7CgAAQBAJ&pg=PA127&lpg=PA127&dq=fields_list+filter_key&source=bl&ots=dETGKy0mZM&sig=RicAKHDjjUT4doEIqdKq__FsgGI&hl=en&sa=X&ved=0CFsQ6AEwCWoVChMIiI-e1rn7xwIVgZwsCh1jvAdW#v=onepage&q=fields_list%20filter_key&f=false