Important concepts:
Slides: World & Asian Englishes
Bolton, Kingsley. (2012). World Englishes and Asian Englishes: A survey of the field. In English as an International Language in Asia: Implications for Language Education 0.1007/978-94-007-4578-0_2.
Kingsley Bolton, Werner Botha, Andy Kirkpatrick, eds (2020) 10.1002/9781118791882 John Wiley & Sons, Inc.