Papua New Guinea road classification and design standards :  rural roads. 

 - [Port Moresby] :  Dept. of Public Works,  1972. 
 - 1v. (various pagings). 
<br/><br/> Cover title: Rural road design manual. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads--Design.--Papua New Guinea<br/>Roads--Design and construction