Kolev, Vesselin books & textbook
Fundamentals of Computer Programming with C#: Programming Principles, Object-Oriented Programming, Data Structures (free programming books)
Nakov, Svetlin Kolev, Vesselin Team, Nakov's
Faber Publishing /2014-02-09 Paperback / 800 Pages
isbn-10: 9544007733 / isbn-13: 9789544007737