Madiyaningsih, Inna, and Kalamullah Ramli. “IT Maturity Level Analysis Using Framework COBIT 5 Work for Management Cyber Incident: Case Study of Company Z in ICT Field”. Gema Wiralodra, vol. 14, no. 2, Aug. 2023, pp. 952-60, doi:10.31943/gw.v14i2.476.