From Good To SOLID: How to Become a Better PHP Developer? - Katerina Trajchevska - PHP UK 2019March 2019
PHP UK Conference 2017 - Jennifer Wong - I Think I Know What You’re Talking About, But I’m Not SureApril 2017
SymfonyLive London 2013 - Jakub Zalas - Using PhpSpec to build quality into a Symfony appOctober 2013