Lean, Glendon A. <br/><br/>
Counting systems of Papua New Guinea, volume 11 :  Gulf Province / 
G. A. Lean. 
 - Draft edition. 
 - Lae :  PNG University of Technology,  1986. 
 - [ix], 63 p. : ill. 
<br/><br/> Includes: Bibliography and appendices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numeration, Papua New Guinea.<br/>Numeration, Gulf Province.