The Pedagogy of English as a Lingua Franca. Berlin: De Gruyter Mouton.
English as a Lingua Franca between Correctness and Effectiveness: Shifting Constellations.
"Closing a Conceptual Gap: The Case for a Description of English as a Lingua Franca." International Journal of Applied Linguistics 11 (2): 133-58.
Understanding English as a Lingua Franca. Oxford: Oxford up.
Teaching the Pronunciation of English as a Lingua Franca. Oxford: Oxford UP.
He is co-author with Alessia Cogo of Analysing English as a Lingua Franca: A Corpus-driven Investigation (Continuum, 2012), and author of The Pedagogy of English as a Lingua Franca (De Gruyter Mouton, forthcoming).
Today English and French have been declared the official languages of many African States for convenience because the colonial masters paid the price to ensure that they became lingua franca, medium of instruction and administrative languages.
And certainly, a continental lingua franca is not a quest that can be achieved overnight, however, if the AU can assume a leading role by laying out a long term plan towards the adoption and consolidation of Kiswahili as the continental lingua franca, slowly but surely, one day sooner or later, will be achievable.
It has also highlighted the challenges that confront its consolidation in Ghana and beyond and has argued that the future adoption and promotion of Kiswahili as a continental lingua franca has positive implications for the ultimate achievement of African unity.
Dewey, Martin, English as a lingua franca: an empirical study of innovation in lexis and grammar.
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Knapp, Karlfried and Christiane Meierkord, eds., Lingua Franca Communication.
Kuo, I-Chun, "Addressing the issue of teaching English as a lingua franca," ELT Journal, Volume 60, Issue 3, 1 July 2006, 213-221.
Louhiala-Salminen, Leena and Mirjaliisa Charles, "English as the Lingua Franca of International Business Communication: Whose English?
2000, Uralic as a Lingua Franca
with Roots.--The Roots of Peoples and Languages of Northern Eurasia II and III, Tartu 2000 (FU 23.