Penggunaan getah tiruan di negara pengguna utama,  2002-2011  [article] 
 Consumption of synthetic rubber in major consuming countries,  2002-2011 

 - Putrajaya :  Jabatan Perangkaan Malaysia,  2009- 
<br/><br/> PTSL Dokumen (Page :114), (Call Number : MK10 JPER 4 B848 2011)