DFD is not visible

QuestionsDFD is not visible
ronitpradhan17Published on: 1/22/2019 4:15:16 AM

Draw the DFDs upto 3rd level for Study Center Management System for an Open University. I need a visible dfd

http://mca.ignougroup.com/2018/09/draw-dfds-upto-3rd-level-for-study.html

from this link


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