Duffy, Tim. <br/><br/>
Cuatro herramientas de Software-Plus  MS Dos, WordPerfect, Lotus 1, 2, 3 y dBase III Plus 
Tim Duffy; traductores: Raymundo Hugo Rangel Gutiérrez, Alfonso Leal Guajardo, José C. Pecina Hernández. 
 - México  Grupo Editorial Iberoamericana  1990. 
 - xxiv, 800 p.  ill. (some col.). 
<br/><br/> Translation of: Four Software Tools Plus. 
<br/><br/><label>ISBN: </label>9687270578 
<br/><br/><label>LCCN: </label>87028828 //r88 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>WordPerfect Computer program<br/>dBase III plus Computer program<br/>Lotus 1-2-3 (Computer program)
<br/><br/><label>Subjects--Topical Terms: </label><br/>MS DOS Computer operating system
<br/><br/><label>LC Class. No.: </label>QA76.76.O63  / D8453 1988