Parlindungan, Januarita R, Sundary RI. Efforts to Increase Investment in Riau Province in terms of Legal Certainty and Ease of Licensing. EJPOLITICS [Internet]. 2023 Jul. 30 [cited 2025 May 17];2(4):19-24. Available from: https://ej-politics.org/index.php/politics/article/view/106