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raihanmalitha (25)in how • 6 years ago
How to know clearly about a problem by using '5 why' theory
Everyday we are faced in many problems. But we don't know the actual cause of the problem. Today I want to share a better idea How to know clearly about a problem. The idea is '5 why' theory. You…
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How to know clearly about a problem by using '5 why' theory