For example, do you mean:
* Operating Instructions (OI): These are documents that provide detailed instructions for operating a specific piece of equipment or software.
* Operational Instructions (OI): These are similar to operating instructions but might focus on a broader process or system.
* Opportunity Identification (OI): This refers to the process of identifying potential business opportunities.
* Other: If you have a different meaning in mind, please let me know.
Once you clarify what you mean by "OI," I can provide more specific and helpful guidance on relevant publications.