Bacaan minimum dan maksimum bulanan IPU  ,Malaysia 2012  [article] 
 Monthly minimum and maximum API  ,Malaysia 2012  [article] 

 - Kuala Lumpur :  Jabatan Perangkaan Malaysia,  1998- 
<br/><br/> PTSL Dokumen (Page :102), (Call Number : MK10 JPER 4 L637 2013 )