The Routledge handbook of tourism and sustainability
edited by Stefan Gossling, C. Michael Hall and Daniel Scott
Routledge, 2015
 Buku Teks SO
The Routledge handbook of tourism and sustainability
edited by Stefan Gossling, C. Michael Hall and Daniel Scott
Routledge, 2015
 Buku Teks SO
Handbook of Satellite Applications
Springer New York, 2019
 eBooks
The Cambridge Handbook of Corporate Law, Corporate Governance and Sustainability
Cambridge University Press, 2020
 eBooks
Power electronics handbook : devices, circuits, and applications handbook
edited by Muhammad H. Rashid
Butterworth-Heinemann, 2018
 Buku Referensi