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American petroleum institute
American petroleum institute
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
American Association of Petroleum Geologists
The American Chemical Society
Geological Society of America
Published Biweekly by The American Chemical Society
The America Society of Lubrication
Blackwell Scientific Publications
The Society of Petroleum Engineers