Table 3 List of bibliographic databases that were searched for evidence along with the platform and subscription

Academic search premier

https://www.ebsco.com/products/research-databases/academic-search-premier

CAB abstract

https://www.cabdirect.org/

DART-Europe E-theses Portal

http://www.dart-europe.eu/basic-search.php

DOAJ^a

https://doaj.org/

EThOS^b

https://ethos.bl.uk/Home.do;jsessionid=4F5C4D13E2BC74ADEB6AD52745760852

EBSCO Host^c

https://search.ebscohost.com/Login.aspx

GreenFILE

https://www.ebsco.com/products/research-databases/greenfile

International Bibliography of the Social Sciences (IBSS), Sociological Abstracts, and Worldwide Political Science Abstracts

https://search.proquest.com/ibss

ProQuest dissertations and theses^d

https://search.proquest.com/pqdtglobal

Research fish

https://www.researchfish.net/

Scopus

https://www.scopus.com/standard/marketing.uri

Social science premium collection

https://search.proquest.com/socialsciencepremium?_ga=2.15911286.110795125.1579537448-936894817.1579537448

Web of Science Core Collections

• Science Citation Index (1900–present)

• Social Science Citation Index (1956–present)

• Arts and Humanities Citation Index (1975–present)

• Emerging Sources Citation Index (2005–present)

• Conference Proceedings Citation Index–Science (1990–present)

• Conference Proceedings Citation Index-Social science and humanities (1990––present)

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