https://www.amazon.com/Audible-Service-Model/dp/B0CMYJRJPB/ref=sr_1_1?crid=25X7ELWH9KFXH&dib=eyJ2IjoiMSJ9.AXOKWGISbRKwYj5UF8e0ONIINNk_ULkf6ZBkT5OfhgdNZHg13kGFXciC-CTa9A788IIHGavAxMwY_UV1i2z1CbSKgiwCBnOK2NLfummEYYTBBzlZMLAIrOhAUv3EIGxlZIc9UB9xql-ehq0-p6yca0JZSyqO1J5y4TuE5XowUAy19dN3_rOSxAjQ2eMeTuaNwap-dRD5zYXI76Upgl-oZzB5_iWZ-izg5ozzen7bAqA.af73ymz8n5mopDdftl49cjdiYAe3bGjW9jxk6HnJ790&dib_tag=se&keywords=service+model+adrian+tchaikovsky&qid=1769659344&sprefix=service+model%2Caps%2C179&sr=8-1
Or available from your library on Libby.
-- James H Phelan "Nihil est sine ratione cur potius sit quam non sit" Leibniz