Simmons, Robert. <br/><br/>
Cocoa marketing margins and the distribution of the bounty to the growers / 
Robert Simmons and Scott Yarbro. 
 - Port Moresby :  Department of Agriculture and Livestock,  1993. 
 - 20 p. 
 - Policy working papers ;  no. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cocoa trade--Papua New Guinea.<br/>Cocoa--Marketing.