Kihugu, Alex et al. <br/><br/>
Visionary Science and Technology Grade 4 
Kihugu, Alex, Franco Munene, Pauline Wainaina, Magdaline Aludo, Ian Mwendwa and Linnet Maundu 
 - 1st ed. ; 
 - Nairobi ;  Kenya Literature Bureau ,  2019 . 
 - viii, 200 p. ;  Col. Illustrations ,  17 cm. 
<br/><br/><label>ISBN: </label>978-9966-65-584-5 
<br/><br/><label>Dewey Class. No.: </label>372