Amazon.com
Library of Congress
Studypool
ResearchGate
Sage Journals
National Academic Digital Library of Ethiopia
京都大学 東南アジア地域研究研究所
LSE Research Online
Amazon.com
LSE Research Online
ResearchGate
Cambridge University Press & Assessment
Sage Journals - Sage Publications
Southeast Asian Studies
HERMES-IR
Brill
Studocu
ResearchGate
Kyoto University Research Information Repository
