2632-6779 (Print)
2633-6898 (Online)
Scopus
Ulrich’s Periodicals Directory (ProQuest)
MLA International Bibliography
MLA Directory of Periodicals
Directory of Open Access Journals (DOAJ)
QOAM (Quality Open Access Market)
British National Bibliography
WAC Clearinghouse Journal Listings
EBSCO Education
ICI Journals Master List
ERIH PLUS
CNKI Scholar
Gale-Cengage
WorldCat
Crossref
Baidu Scholar
British Library
J-Gate
ROAD
BASE
Publons
Google Scholar
Semantic Scholar
ORE Directory
TIRF
China National Center for Philosophy and Social Sciences Documentation
Jock Wong
Centre for English Language Communication
National University of Singapore