Vitendo vya kisayansi kwa darasa III na IV 

 - Dar es Salaam   : Wizara ya Elimu ya Taifa,  1980 
 - 28p.   ; 21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Study and teaching (Primary)<br/>Tanzania
<br/><br/><label>LC Class. No.: </label>EAF PAM LB1585.T34