Umahthevy, A. S. Suppiah <br/><br/>
The Development of synthetic hydroxyapatite using local limestone  [article] / 
Umahthevy A. S. Suppiah, Haminuddin Khalil and Hasliza Ahmad 
 - Ipoh, Perak :  Pusat Penyelidikan Mineral,  2007 
<br/><br/> PTSL : Koleksi Dokumen