Ridwan, Ridwan, Research and Development Centre for Oil and Gas Technology "LEMIGAS" (Indonesia)
Ridwan, Ridwan (Indonesia)
Riji, Chen (China)
Rinaldi, Nino, Catalyst and Process Technology Group, Research Centre for Chemistry - Indonesian Institute of Sciences (RCChem-LIPI) PUSPIPTEK Serpong, 15314, Banten, Indonesia (Indonesia)
Rita, Novia, Department of Petroleum Engineering, Faculty of Engineering, Islamic University of Riau (Indonesia)
Riyanto, Agus, Geology and Geophysics Study Program, FMIPA, Universitas Indonesia, Depok, Indonesia (Indonesia)
Riyanto, Heru, Research and Development Centre for Oil and Gas Technology "LEMIGAS" (Indonesia)
riyono, sugeng, (Indonesia)
Rohmana, Rian Cahya (Indonesia)
Rohmana, Rian Cahya, Tanri Abeng University (Indonesia)

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