kama nke mba ụwa niile kacha kpụrụ n'ọnụ bụ ndapụta nzụko mba ndị na-amịpụta ma na-ere mmanụ agbidi bụ OPEC (Organisation of the Petroleum Exporting Countries) mere n'ụbọchi isii nke ọnwa march afọ 2020 n'obodo Viena dị na mba Austria.
