ORYNBEKOVA, Aidana. Impact of OPEC activities on the global oil market . Public Administration and Civil Service, Нур-Султан, Казахстан, n. 1 (72), p. 40–47, 2020. DOI: 10.52123/1994-2370-2020-72-1-38-44. Disponível em: https://journal.apa.kz/index.php/path/article/view/10. Acesso em: 1 dec. 2025.