Carl Koch, <br/><br/>
Communication skills for college students / 
Carl Koch | Casilda Luzares | Nilda Rotor and Edwina Carreon 
 - Mandaluyong City:  National Book Store, Inc.,  1982. 
 - x, 352 p.:  illustration 
<br/><br/><label>ISBN: </label>971-08-1241-6 
<br/><br/><label>Dewey Class. No.: </label>302.224 K811 1982