^Martin, Joseph. The Front(s) for the Liberation of Cabinda in Angola: A Phantom Insurgency. de Vries, Lotje (编). Secessionism in African Politics. Palgrave Macmillan. 2019: 221. ISBN 978-3-319-90206-7. On the other side of the Congo River, the end of the civil war and the repossession of power by Sassou-Nguesso forced the FDC to dismantle its bases in Congo-Brazzaville, which meant losing the support of the Pan-African Union for Social Democracy (UPADS)’s militias of Pascal Lissouba. The FLEC-R, who had previously engaged with UNITA alongside the UPADS troops, was also summoned to leave the country.
^Clark, John. Foreign Intervention in the Civil War of the Congo Republic. Issue: A Journal of Opinion. 1998, 26 (1): 31–36. Ukrainian and South African mercenaries flowed into the void to fight on behalf of Lissouba, the FAR and DSP fought for Sassou, and arms dealers around the world eagerly armed all sides.
^ 6.06.16.26.36.4Cook, Alethia. Conflict Dynamics. University of Georgia Press. 2017: 61. Angola came to his aid with 2,500 troops in August 1997. Sassou also received help from Chad, Gabon, France, and Elf-Congo ... as well as South African and Serbian mercenaries, the former Rwandan government forces, Rwandan Interahamwe militia and elements of Mobutu's Zairian army