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Variation
English language
30
Dissertations
11
Dissertations, Academic
11
Spoken English
11
Study and teaching
10
Arabic language
8
Language and languages
7
Usage
7
Dialects
5
Human genetics
5
Genetics
4
Language
4
Second language acquisition
4
Social aspects
4
Syntax
4
Attitudes
3
Lexicography
3
Lexicology
3
Linguistic change
3
Plants
3
Pronunciation by foreign speakers
3
Study and teaching Foreign speakers
3
Written English
3
Bats
2
Case studies
2
Chinese language
2
Chinese students
2
Chromosome polymorphism
2
Foreign speakers
2
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61