Planning Using Primavera Project Planner P3 Version 3.1 Revised 2006 is an update of the 2004 project planner P3 book and includes updated student workshops, many pages of revised text and covers more functions of the software. It is aimed at any industry such as building, construction, oil & gas, software development, government and defense. It is designed to teach planners and schedulers how to setup and use the software in a project environment.