Harding, P. E. <br/><br/>
A preliminary report on the robusta coffee soils of Papua New Guinea / 
P.E. Harding. 
 - Kainantu :  Papua New Guinea Coffee Research Institute,  1985. 
 - 72 p. 
 - Coffee research report ;  no. 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coffee--Soils.--Papua New Guinea