Saif A. Musa (2019): The State Social Policy and Legitimacy of NGOs: A case Study of International NGOs operating in the Sudan. An article published in the proceedings of “International Conference on Social Policy in the Islamic World”. Tehran, Iran, 12-13 May 2018. Abdalla Hamid and Saif A. Musa (2017). The Mediating Effects of Coping Strategies on the Relationship between Secondary Traumatic Stress and Burnout in Professional Caregivers in the UAE. “ Journal of Mental Health”. Vol. 26 (1) : 28-37. Psychology Press: Taylor & Francis Group.UK. Saif A. Musa and Abd Allah Hamid (2010).“Darfur Crisis: Associated Mental Health Problems amongst Internally Displaced Women”. Journal of Muslim Mental Health, 5:120-130.2010. Taylor & Francis, Inc.USA. Abdalla Hamid and Saif A. Musa (2010). Mental health Problems amongst Internally Displaced Persons in Darfur. “ International Journal of Psychology”.Vol.45(4):278-285. Psychology Press: Taylor & Francis, Inc.USA. Saif A. Musa, Abdalla A. Hamid, Mohammed A. Alghorani, and Reem A (2009). “Humanitarian Work Practice and the Necessity for Academic Discipline”.“ International Journal of Academic Research”. Vol. 1(2):212-215. Progress Academic publish house, Azerbaijan. Saif A. Musa (2009). “Burnout, Secondary Traumatic Stress and Job Satisfaction amongst Social workers in the United Arab Emirates. ”.“ International Journal of Academic Research”. Vol. 1(2). Progress Academic publish House, Azerbaijan. Saif A. Musa and Abd Allah Hamid (2008). “Psychological problems among aid workers operating in Darfur. " International Journal of Social Behaviour and Personality”. New Zealand, Vol. 36- issue 4, 2008. Saif Ali Musa (2008) “NGO Continuum: An Evaluation of the Nature And Activities of Non- Governmental organizations Journal Of Science &Technology. Sudan University of Science and Technology, Sudan, Vol.(1) 2008. Saif Ali Musa (2002) “Analysis of NGO Activities for Resolving Malnutrition among Children in Internally Displaced Person Camps in Khartoum State, Sudan” Bulletin of Graduate School of Human and Environmental Studies”. Vol. 11, 35-56, 2002. Kyoto University, Japan.