J. Tanuwijaya and R. C. Adam, “Legal Uncertainty of Foreign Investors Before Company Ratification in Indonesia: Ketidakpastian Hukum bagi Investor Asing Sebelum Pengesahan Perusahaan di Indonesia”, ijler, vol. 20, no. 4, p. 10.21070/ijler.v20i4.1334, Nov. 2025.