Darwinsyah ‎, Suwondo D. Mechanism of Goods and Services Procurement Implementation from the Perspective of Legal Certainty in Natuna Police Station. KSS [Internet]. 2025 Nov. 3 [cited 2025 Dec. 1];10(28):478-97. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/20140