Elsevier

Perlego

perlego.com

Cengage

cengage.com

Pearson MyLab

mlm.pearson.com

Scopus

scopus.com

ScienceDirect

sciencedirect.com

Wiley Online Library

onlinelibrary.wiley.com

WileyPLUS

wiley.com

Ed

edstem.org

Springer

springer.com

Oxford Academic

academic.oup.com

ETS

ets.org

LexisNexis

lexisnexis.com

Zendy

zendy.io

Clarivate

clarivate.com

Edmentum

edmentum.com

Scitrus

scitrus.com

EBSCO Information Services

ebsco.com

Udeki

udeki.com

Taylor & Francis Online

tandfonline.com

Emeritus

emeritus.org

Discovery Education

discoveryeducation.com

Lippincott

lww.com

INDEX-EDUCATION

index-education.com

Exxat

exxat.com