North Sea oil and Gas Directory 1991/1992
Judith Patten Public relations, 1992
 Buku Teks
Directory Indonesian Oil & Gas Procurement
Iogonline
Indonesia oil & Gas, 2001
 Buku Teks
Indonesian oil & gas procurement directory 2001
Indonesian Oil & Gas Online
Indonesian Oil & Gas Online, 2001
 Buku Referensi
Indonesian Oil & Gas Directory 2002
The IOG chronicle
Prosinergi Multitama, 2002
 Buku Referensi
Indonesian oil and gas directory 2002/Indonesian Oil and Gas
Indonesian Oil and Gas, 2002
 Buku Referensi
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