<![CDATA[Business continuity increasingly depends on mature IT governance, yet many organizations still rely on external audits to judge whether their governance is adequate. This study reviews the literature on integrating the COBIT twenty nineteen and ITIL version four frameworks into the development of self assessment instruments that support business sustainability. A Systematic Literature Review following Kitchenham's guidelines was conducted. Five keyword strings were searched in Google Scholar through Harzing's Publish or Perish, returning one hundred publications from twenty twenty one to twenty twenty six. After inclusion and exclusion criteria were applied, thirty primary studies were retained and analyzed against four research questions. Thirteen studies addressed framework integration, six of which combined COBIT twenty nineteen and ITIL version four. Two studies conducted COBIT twenty nineteen based self assessments. Eleven studies designed their own assessment instruments, ten based on COBIT twenty nineteen and one on ITIL version four. Four studies linked COBIT twenty nineteen implementation to business sustainability. The findings show that integrating the two frameworks is feasible. COBIT twenty nineteen provides strategic control and compliance, while ITIL version four supplies operational service guidance. A self assessment instrument built on this hybrid approach can serve as a proactive pre audit tool. Future research should develop and validate such an instrument with safeguards against self reporting bias.]]>
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