Study on data flow diagram drawing principle
Shuang Feng · Hebei ke-ji daxue xuebao · 2012
Data flow diagram is an important tool in the development of information system to link developers with users.But there is no uniform standard as to how to draw the flow chart of data.This paper puts forward 8 important principles to draw good data flow diagram.In accordance with these principles,the data flow diagram can be easily drawn.