Supriyanto, S. and Irayadi, M. (2026) “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, 6(1), pp. 37–55. doi: 10.52249/ilr.v6i1.651.