Chew, Hai Hong <br/><br/>
A System for the processing, storage and retrieval of hydrological data / 
contributor: Chew Hai Hong. 
 - Kuala Lumpur :  Kementerian Pertanian dan Pembangunan Luar Bandar, Bahagian Parit dan Taliair,  1975. 
 - 11 p. ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrological instruments