This portfolio discusses the relevance of systems thinking, tools and techniques to aid project managers, and the importance of appropriate selection of project management application systems in regards to meeting internal and external objectives of a project. The readings include SEBoK, Kerzner, AS/NZS 15288:2015, and more. The supporting documentation includes Liu, S., Forrest, J.Y. and Yang, Y., 2015, and Krumholz, H.M., 2014, among others.