Wong, Heng <br/><br/>
Catalogue of government department and statutory board publications / 
Compiled by Wong Heng, V. Perumbulavil, Siti Hanifah Mustapha 
 - 6th ed. 
 - Singapore :  National Library of Singapore,  1993 
 - 184 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>9971760371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Government publications--Singapore--Catalogs