Object-Oriented Programming Concepts by Roberto Zicari · Published November 10, 2013 · Updated November 10, 2013 Sun, The Java Tutorial A great tutorial to get acquainted with OOP. LINK
Oscillating Between Objects and Relational: The Impedance Mismatch January 1, 2002 by Roberto Zicari · Published January 1, 2002 · Last modified February 16, 2014
Speed, Data, and Ecosystems: Excelling in a Software-Driven World February 28, 2017 by Roberto Zicari · Published February 28, 2017