Worldwide textbook research
by truc giang huynh
1. Cultural values
1.1. Al-Akraa, 2013
1.2. Bauer, 2016
1.3. Hietala, 2015
2. Language variation
2.1. Liao, 2004
2.2. Mahboob & Jain, 2017
2.3. Nassaji & Fotos, 2011
2.4. Savignon, 2018
3. Genre
3.1. Jati, Laila & Hum, 2017
3.2. Saraswati & Hidayati, 2017
3.3. Shrouf & Dwaik, 2013
