Articles are a great resource to use when you need to find a more current perspective on your topic. They are useful as articles commonly focus on one aspect of a broader subject and as a result are more specialized in topic.
Journal of Peace Research (JPR): https://discovery.mcmaster.ca/iii/encore/record/C__Rb4038300?lang=eng
Journal of Conflict Resolution: https://discovery.mcmaster.ca/iii/encore/record/C__Rb4038185?lang=eng
Peace and Change: https://discovery.mcmaster.ca/iii/encore/record/C__Rb4046625?lang=eng
Peace and Conflict: Journal of Peace Psychology: https://discovery.mcmaster.ca/iii/encore/record/C__Rb4045670?lang=eng
The International Journal of Peace Studies: https://discovery.mcmaster.ca/iii/encore/record/C__Rb4046462?lang=eng