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Correct Answer: (B)
henry gantt
Explanation: henry gantt introduced the bar charts around 1900 a.d. they give pictorial representation in two dimensions of a project by breaking it down into numerous manageable units.
Explanation by: Mr. Dubey
henry gantt introduced the bar charts around 1900 a.d. they give pictorial representation in two dimensions of a project by breaking it down into numerous manageable units.
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