Here are some sources on women and politics, war, and peace in Sierra Leone that might be helpful in your research.
Bai-Marro, Elizabeth. 1999. Women in the Sierra Leone Conflict. ACAS Bulletin, 55/56 (Spring/Summer): 58-60.
Coulter, Chris. 2009. Bush Wives and Girl Soldiers: Women's Lives Through War and Peace in Sierra Leone. Ithaca, N.Y.: Cornell University Press.