Cafolla, Ralph. <br/><br/>
Turbo prolog :  step by step with Turbo Prolog 2.0 / 
Ralph Cafolla, Daniel Albert Kaufman ; instruction design by Don Gorman. 
 - Columbus, Ohio :  Merrill,  c1989. 
 - xiv, 482 p. : ill. 
<br/><br/><label>ISBN: </label>0675208165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prolog (Computer language program).<br/>Turbo Prolog (Computer program).