Map of the MPLA's first extraordinary congress of the MPLA-PT operation in southeast Angola.
Sources used:

Adrien Fontanellaz's and Tom Cooper's "War of Intervention in Angola: Volume 2 - Angolan and Cuban Forces at War, 1976-1983"
Stephen Weigert's "Angola: A Modern Military History, 1961-2002"
Own work
Rr016