Malcolm, Donald Wingfield <br/><br/>
Report on gum and gum Arabic 

 - Dar es Salaam  Government Printer  1936 
 - 59p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gums and resins
<br/><br/><label>LC Class. No.: </label>EAF PAM TP978.M3