O

OECD countries, 3

oil and gas sector, 84, 84t, 314-15

oil industry. See mining, oil and gas sectors

Ojah, Kalu, 18

Orbis Bank Focus, 83

Organisation for Economic Co-operation and Development (OECD), 52, 167, 169-70, 169f, 209

Oshioke, Ahmadu A., 67n2

Ouattara, Bazoumana, 142