2008 “Summary overview: mother tongue-based education in multilingual contexts”. In Caroline Haddad, ed. Improving the Quality of Mother Tongue-based Literacy and Learning: Case Studies from Asia, Africa and South America. Bangkok: UNESCO, 2–11.
Berns, Margie, Jennifer Jenkins, Marko Modiano, Barbara Seidlhofer and Yasukata Yano
2009 “Perspectives on English as a lingua franca”. In Thomas Hoffmann and Lucia Siebers, eds. World Englishes – Problems, Properties and Prospects. Amsterdam: John Benjamins, 369–84.
Kachru, Braj, Yamuna Kachru and Cecil Nelson
eds.2006The Handbook of World Englishes. Malden, MA: Blackwell.