Afrika ya Mashariki Yaanza Kutumia METRIC 1968: Utangulizi na Faida Zake 

 - Arusha,  East African Literature Bureau,  1968. 
 - 22p.: ill.; figures, tables.  22cm. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>LM 621.3 EAS