If you're looking for academic papers or resources on OPL or optimization techniques that might involve OPL, here are a few suggestions:
OPL version 0.9.3 system requirements
Stable releases and source code are officially maintained on the Open-PS2-Loader GitHub. To install OPL 0.9.3: Releases · ps2homebrew/Open-PS2-Loader - GitHub opl version 0.9 3 download
Introduction: OPL version 0.9.3 is now available for download. This release includes stability improvements and bug fixes over previous 0.9.x versions. It is recommended for users who require a proven, pre‑1.0 release for compatibility or legacy system support. If you're looking for academic papers or resources
