^Article by Spiridion Shyirambere in: Le Français hors de France sous la direction de A. Valdman, Editions Honoré Champion, 7 quai Mallasquai, Paris, 1979. The "zone of intercomprehension" is also reported to include KinyaRwanda, Hima and Luganda, and several other local languages.
^Harjula, Lotta (2006). Designing orthography for the Ha language. In Studia Orientalia Electronica, 103: Helsinki: Finnish Oriental Soc. pp. 173–184.{{cite book}}: CS1 maint: location (link)