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2. Geert Dewulf AB& MBS, Strategic Issues in Public Private Partnership (Willey Blackwell 2012).
3. Mads Andenas & Stefan Zleptnig, The Rule of Law and Proportionality in WTO Law, in Redefining Sovereignty in International Economic Law (Penelope Simons & Dalvinder Singh Wenhua Shan ed, Oxford 2008).
4. Stephan W Schill, 'Reforming Investor State Dispute Settlement (ISDS): Conceptual Framework and Options for the Way Forward', Strengthening The Global Trade And Investment System For Sustainable Development (International Centre for Trade and Sustainable Development (ICTSD) 2015).
5. Jurnal