... given an explanation regarding the purpose of the feedback, the purpose of the conceptual model, some background of the research that lead to the development of the model, and key 11848 Afr. ... research, the authors attend to two areas of project management from nine existing areas, because of the operation of the conceptual model. One is integration management and the other is communications ... customer satisfaction (Kirsilä et al., 2007). By these definitions, and due to the importance of the role of project management in the success of projects, the authors consider related department...