Mulenga, Marvans <br/><br/>
The quality of physical practical work done in four secondary schools in Northern Province of Zambia / 
Marvans Mulenga 
 - Lusaka:  University of Zambia,  2019. 
 - xiii, 72 pages:  illustrations 
<br/><br/>Includes references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Zambia--Study and teaching