Watanatada, Thawat. <br/><br/>
The highway design and maintenance standards model. 

 - Washington :  World Bank,  1987. 
<br/><br/> Volume 2: User's manual. 
<br/><br/> This document is about the design of highways and their maintenance standards. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads.<br/>Roads -- Mathematical models -- Motor vehicles.--Roads -- Mathematical models -- Motor vehicles.--Roads -- Mathematical models -- Motor vehicles.