By the book from here - amzn.to/3cwISyf
conclusion
the video is a book summary of the 80/20 principle, where i cover how to be more happy and productive.
so if you want to increase your productivity and be more happy, then i hope you enjoy my book summary of the 80/20 principle.
thanks for watching...
#BookBoy #Paretoprincipleinsinhala
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