Kelemba, Joy et al. <br/><br/>
Know More Science and Technology Grade 4 /  Learner's Activity Book. 

 - 1st ed. 
 - Nairobi :  Story Moja Publishers,  2019 
 - ill. col. 164 p.  15 cm. 
<br/><br/><label>ISBN: </label>9789966622525 
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>Dewey Class. No.: </label>500.500