Perangkaan utama industri petroleum dan gas asli mengikut kumpulan saiz pekerja, 2009  Principal statistics of petroleum and natural gas industry by employment size group, 2009  [article] = 
 Principal statistics of petroleum and natural gas industry by employment size group, 2009 

 - Putrajaya :  Jabatan Perangkaan Malaysia,  2010 
<br/><br/> PTSL : Koleksi Dokumen