Swart, Marietta,  2019. <br/><br/>
Effective Communication: Empowring the Work Force :  Effective Communication / 
by Marietta Swart, Marietha Hairbottle, Rynette Scheun and Lisel Erasmus-Kritzinger. 
 - Pretoria :  Van Schaik Publishers,  2019. 
 - p.424. 
<br/><br/><label>ISBN: </label>9780627031007 :  $