Riawanto R, Harianti I, Rohmah MH. THE LEGAL POWER OF THE AUTHENTICITY OF BIPARTITE JOINT AGREEMENT BETWEEN PT PLATINUM CERAMICS INDUSTRY SURABAYA AND WORKERS. jirpl [Internet]. 2021 Jun. 30 [cited 2026 Apr. 19];2(3):138-43. Available from: http://ejournal.aissrd.org/index.php/jirpl/article/view/52