Freight movements derived from Lae and Goroka weighbridge data /
D. Niven.
- [Lae] : Papua New Guinea University of Technology, 1974.
- 9, [29]p.
- Occasional research and technical bulletin ; no. R19/74. .
- Research and technical report (Papua New Guinea University of Technology) ; R19/74 .
Freight and freightage--Papua New Guinea. Trucking--Papua New Guinea.