Method of Self Study

There is much “Method of Self-Study” in the world, but those much is about a way of “Input”.
MBA books are also useful to me.I can learn about applying basic business principles to real-world scenarios.Either way,if I want to succeed in the highly competitive world of business,those books are an absolute must.Like in the case of economics books,an MBA book should provide me with a good combination of theory and practical knowledge.
The PDCA cycle is well known as Management cycle and I think it is suitable for Running.I’ve experienced a lot of hardships, especially when I run very long distances and it is a continuous improvement persistent effort in the PDCA cycle.