Sayansi shule za msingi: kiongozi cha Mwalimu: kitabu cha nne 

 - Dar es Salaam  Wizara ya Elimu ya Taifa  1975 
 - iv,56p.  21cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>LC Class. No.: </label>EAF PAM Q181.T3