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Elsevier Scientific Publishing CO
American Association of Petroleum Geologists
American Association Of Petroleum Geologists
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
UNITED Nations Organization
Korea Institute Of Science 7 Technology Information
PT. Citrabahari Mulya, PT. Geo Mitrasamaya