M. B. Ayad, “The Quest for the Holy Grail: A Harmonised International Commercial Arbitration Law Code (HICALC) in Investor–State Arbitrations of Oil Concessions and Foreign Investment Treaties and Agreements”, Arbitraje, vol. 4, no. 2, Jul. 2011, Accessed: Jun. 14, 2026. [Online]. Available: https://revistascientificas.uspceu.com/arbitraje/article/view/2541