R Programming: 3 books in 1 : R Basics for Beginners + R Data Analysis and Statistics + R Data Visualization
2022
Cobol: 3 books in 1 : Cobol Basics for Beginners + Cobol Database Interaction + Cobol Code Optimization
2022
Javascript: 3 books in 1 : Javascript Basics for Beginners + Javascript Front End Programming + Javascript Back End Programming
2021
Web development: Web Development for Beginners in HTML
2021
Algoritmos: Guía práctica para aprender algoritmos para principiantes
2022
Python: Python Automation Techniques and Web Scraping
2021