van Rooyen, A S <br/><br/>
Ingenieurswetenskap N1/ 
A S van Rooyen & M J J van Rensburg. 
 - Braamfontein  [SouthAfrica]:  Macmillan;  1984. 
 - 53 pages.:  illustrations;  24 cm. 
 - Mactech Boeke .
<br/><br/><label>ISBN: </label>0869542257 
<br/><br/><label>Subjects--Topical Terms: </label>--Engineering science-study & teaching--Engineering science- textbooks
<br/><br/><label>Dewey Class. No.: </label>620 VAN