Taufik, Muhammad Ary, Noor Fatimah Mediawati, Rifqi RIdlo Phahlevy, and Mochammad Tanzil Multazam. “Legal Validity of Grace Period Renewal of Labour Agreement in Indonesia: An Example from PT. X in Sidoarjo: Keabsahan Hukum Masa Tenggang Pembaharuan Perjanjian Kerja Di Indonesia: Contoh Dari PT. X Di Sidoarjo”. Indonesian Journal of Law and Economics Review 2, no. 2 (February 6, 2019): 10.21070/ijler.2019.V2.33. Accessed December 6, 2025. https://ijler.umsida.ac.id/index.php/ijler/article/view/33.