I would recommend this free chapter from the book Rethinking Productivity in Software Engineering https://www.researchgate.net/publication/332916053_Removing_So

I would recommend this free chapter from the book Rethinking Productivity in Software Engineering https://www.researchgate.net/publication/332916053_Removing_Software_Development_Waste_to_Improve_Productivity https://www.researchgate.net/publication/332916053_Removing_... which describes a workshop to identify and remove wastes. The whole book is open and fun to read.