Harliyan Tri Mardian. “Evaluation of Readiness for Implementing ISO IEC 20000-1:2018 in Information Technology Services at the Pekalongan City Communication and Informatics Office Using a Gap Analysis Approach”. Integrated System and Management Technology , vol. 1, no. 4, Oct. 2026, pp. 01-09, doi:10.66472/ismat.v1i4.421.