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2. Chinese engagement in Southeast Asian energy and mineral resources: motivations and outlook;Andrews-Speed;Eurasia. Geogr. Econ.,2016
3. Angerer, G., Buchholz, P., Gutzmer, J., Hagelüken, C., Herzig, P., Littke, R., Thauer, R.K. and Wellmer, F.-W. (2016): Rohstoffe für die Energieversorgung der Zukunft. Geologie – Märkte – Umwelteinflüsse. Schriftenreihe Energiesysteme der Zukunft. Accessed at 〈http://www.acatech.de/fileadmin/user_upload/Baumstruktur_nach_Website/Acatech/root/de/Publikationen/Kooperationspublikationen/ESYS_Analyse_Rohstoffe_fuer_die_Energieversorgung.pdf〉, 2 September 2016
4. Argus News & analysis (2015) Northern Minerals secures Chinese funding. Accessed at 〈https://direct.argusmedia.com/newsandanalysis/article/994785〉, 2 September 2016.
5. Property rights, nationalisation and extractive industries in Bolivia and Ecuador;Arsel,2014