Mentor  Science and technology 

 - 1st ED.2019 
 - kenya  mentor publishers  2019 
 - L12W25 
<br/><br/><label>ISBN: </label>9789966012715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and Technology
<br/><br/><label>Dewey Class. No.: </label>DDC  / 1