Though I’m late to the party, I couldn’t recommend this book, “The Future of African Peacekeeping Operations: From Janjaweed to Boko Haram” more highly, especially pieces by Cedric de Coning, Jide Okeke, Walter Lotze, and Thomas Tieku.

Whole book is (oddly) downloadable here:

https://brage.bibsys.no/xmlui/bitstream/handle/11250/2428902/Future%2Bof%2BAfrican%2BPeace%2BOperations_Full%2Bwith%2Bcover35338.pdf?sequence=2&isAllowed=y#page=54