Thailand. Land Development Dept. (LDD) <br/><br/>
The project for organizing the geographical information system of project under the action plan for river basin area management (Mae-Tang, Chuen and Klong-Yan River Basin) case of Chuen River Basin : Final report 

 -  Land Development Dept.,  1977 
<br/><br/><label>Source: </label> 1998-08-25