Goh, Sing Yau. <br/><br/>
Laboratory and field testing of handpumps / 
Goh Sing Yau. 
 - Ottawa, Canada :  International Development Research Centre,  c1985. 
 - IDRC-TS ;  51e .
 - IDRC-TS (Series) ;  51e. .
<br/><br/>Bibliography: p. 92-95. 
<br/><br/><label>ISBN: </label>0889364389 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hand pumps -- Testing.--Hand pumps -- Testing.