WordPress Theme Development Courses
Udemy Learn how to create a WordPress theme using Pinegrow
Udemy Modern Wordpress Theme Development
Udemy Convert HTML5 One Page Templates Into WordPress Themes
Udemy ちゃんと学ぶ、WordPress テーマ開発講座
Udemy Desarrollo de temas de WordPress
Domestika Bootstrap 3 -> Profitable WordPress Theme Development!
Udemy Professional WordPress Theme & Plugin Development
Udemy The Essential WordPress Theme Development Course
Udemy PSD to WordPress Tutorial
Net Ninja via YouTube