Evaluation of back pack spray equipment used to apply agricultural chemicals to crops in Papua New Guinea / 
J. H. Whan ... [et al.] 
 - Kainantu, E.H.P., Papua New Guinea :  Coffee Industry Corporation,  1992. 
 - 46 p. :  ill. 
 - Coffee research report ;  no. 22. .
<br/><br/> Technical report of research from an Australian Development Assistance Project, commissioned by the Governments of Australia and Papua New Guinea. 
<br/><br/><label>ISBN: </label>9980859253 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spraying equipment