Eko Rial Nugroho (2021) “The obligation to use Indonesian Language in the Formation of Contract with Foreign Investor: Problems and the Need to Amend the Indonesian Law No. 24 of 2009”, Researchers World - International Refereed Social Sciences Journal, 10(2), pp. 19–22. Available at: https://researchersworld.com/index.php/rworld/article/view/48 (Accessed: 12 July 2024).