Ivan Fidelis Hasugian, R. and Yasmine Lisasih, N. 2026. Legal Review of Liability for Material Losses Resulting from Adverse Events Following Immunization (AEFI) in Non-Mandatory Immunizations. International Journal of Science and Environment (IJSE). 6, 1 (Jan. 2026), 633–640. DOI:https://doi.org/10.51601/ijse.v6i1.383.