Determination, Interpretation and Application of Substantive Law in Foreign Investment Treaty Arbitrations - Journal of International Arbitration View Determination, Interpretation and Application of Substantive Law in Foreign Investment Treaty Arbitrations by Virtus Chitoo Igbokwe - Journal of International Arbitration Determination, Interpretation and Application of Substantive Law in Foreign Investment Treaty Arbitrations Virtus Chitoo Igbokwe 23 4 Journal of International Arbitration