Alief Qurratul 'Ain Musafa' and Dani Muhtada (2026) “Indonesia – China Economic Diplomacy in Nickel Downstreaming Policy: The Perspective of the Rule of Law and Sustainable Development”, Al-Amwal : Journal of Islamic Economic Law, 11(1), pp. 35–49. doi: 10.24256/alw.v11i1.9526.