1. a consultant for UN Habitat, (2016). 20 september. Interview # 47, skypeinterview. Paris, France/Berlin, Germany. L. Pech.
2. a homeowner and her family in Ndosho, (2016). 31 august interview # 46, in Ndosho. Ndosho, goma, DRC. L. Pech.
3. a master's student from Goma at ISAU, (2016). 28 July. Interview # 32, Institut Superieur d'Architecture et d'Urbanisme (ISAU). Kinshasa, DRC. L. Pech.
4. an employee and a volunteer at the Don Bosco Center, (2017). 09 march. Interview # 49, interview at Don Bosco center Ngangi. Ngangi, goma, DRC. L. Pech & P. Schuh.
5. an employee and a volunteer of the Congolese Red Cross, (2016). 8 march 2016. Interview # 14 , congolese red cross goma (interview in Gisenyi, Rwanda due to problems at the border). Goma, DRC. L. Pech.