The casttle and coconut schemes in Tanga district the whys and wherefores of success and failure 

 - (n.p.),  (n.d.) 
 - 47p.   ; 32cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cattle<br/>Coconut<br/>Tanga district
<br/><br/><label>LC Class. No.: </label>EAF PAM QTO S544.5.T3O5