Cobol: Cobol Basics for Beginners by Vickler, Andy [Paperback]

Linux: Linux for Beginners by Andy Vickler Paperback Book

Python: Python basics for Beginners by Andy Vickler (English) Paperback Book

Python: Python basics for Beginners by Vickler, Andy [Paperback]

SQL: Learn SQL Basics For Beginners by Vickler, Andy [Paperback]

UX: User Experience Basics for Beginners by Andy Vickler Paperback Book

R Programming: R Basics for Beginners by Vickler, Andy [Paperback]

Javascript: Javascript basics for Beginners (JavaScript) by Vickler, Andy