Ratnasari, Yeni, Gunarto, and Anis Mashdurohatun. “Strengthening Legal Protection for Construction Service Providers Amid Corruption and Legal Uncertainty”. Research Horizon 5, no. 2 (April 30, 2025): 1–10. Accessed May 21, 2026. https://journal.lifescifi.com/index.php/RH/article/view/455.