Tolong jelaskan mengenai Catatan dari Aksara Borama

I.M. Lewis (1958), The Gadabuursi Somali Script, Bulletin of the School of Oriental and African Studies, University of London, Vol. 21, pp. 134–156.

David D. Laitin, Politics, language, and thought: the Somali experience, (University of Chicago Press: 1977)