Hesabu, yani  maelezo mepesi ya hesabu 

 - London  Sheldon Press  1925 
 - 96p.  19cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tanzania
<br/><br/><label>LC Class. No.: </label>EAF PAM PL8704[LB1534.H48]