Supriyanto S, Irayadi M. A Normative Legal Analysis of the Effectiveness of Holistic Protection of Outsourcing Workers in Indonesia as a Model of Proportional Responsibility of PPJ-PJTK in the Joint and Several Liability System. IBLAM LAW REVIEW [Internet]. 2026 Jan. 19 [cited 2026 Apr. 23];6(1):37-55. Available from: https://ejurnal.iblam.ac.id/IRL/index.php/ILR/article/view/651