Claudia, G. and Wella, W. 2023. ISO 27000 and KAMI Index: PT XYZ (Travel Agent). Ultima InfoSys : Jurnal Ilmu Sistem Informasi. 14, 1 (Aug. 2023), 32-39. DOI:https://doi.org/https://doi.org/10.31937/si.v14i1.3195.