Papua New Guinea road classification and design standards : rural roads.
Papua New Guinea road classification and design standards : rural roads.
- [Port Moresby] : Dept. of Public Works, 1972.
- 1v. (various pagings).
Cover title: Rural road design manual.
Roads--Design.--Papua New Guinea
Roads--Design and construction
Cover title: Rural road design manual.
Roads--Design.--Papua New Guinea
Roads--Design and construction