Boyeldieu, Pascal. “The ‘absolute’ or -Ca -Sa Verb Extension in Two Daju Languages: Shatt Damam (Sudan) and Daju Sila (Chad)”. In Nuba Mountain Language Studies: Contemporary Perspectives, edited byHelene Fatima Idris, Jan Junglas, and Gertrud Schneider-Blum, 309–334. Cologne, Germany: USB MONOGRAPHS, 2025. Accessed April 2, 2025. https://monographs.ub.uni-koeln.de/usbk/catalog/book/38/chapter/136.