Principles of visual programming systems  
/ Shi-Kuo Chang, editor. 
 - Englewood Cliffs, N.J.   : Prentice-Hall   , 1990 
 - x, 372 p.   : ill., graphics   ; 25 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>013710765X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programación visual (computación)
<br/><br/><label>LC Class. No.: </label>QA 76.65  / P75 1990