To actually build a mod, you'll need the , which include the official FMOD project templates. This ensures your mod uses the same "hooks" as the vanilla trucks.
Experienced modders like Kriechbaum or Drive Safely often post technical breakdowns on the SCS Forums. These are the closest things to "peer-reviewed" papers in the modding community, detailing how to record high-fidelity engine sounds and loop them without seams. Key Concepts for Sound Modding
This is the official technical manual. It explains the project structure, how to use the SCS FMOD template, and how the game engine communicates with sound events.
Finding a formal academic "paper" on creating sound mods for Euro Truck Simulator 2 (ETS2) is tricky because most of the knowledge lives in developer documentation and community wikis rather than scientific journals.
If you're writing about this or starting a project, focus on these technical pillars: