General specification for drainage works 

 - 1st edition 
 - Bandar Seri Begawan :  Ministry of Development,  1999. 
 - 20 pages :  30 cm. 
 - General Specification ; GS 5 (Issue 1, Ogos 1999) .
<br/><br/> Ministry of Development Negara Brunei Darussalam 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Road--Design and construction--Specification.--Brunei Darussalam <br/>Drainage --Research--Brunei Darussalam