Источник: Mutale Nalumango (2021) cited in: " SPEECH BY HER HONOUR THE VICE-PRESIDENT OF THE REPUBLIC OF ZAMBIA MRS. W. K. MUTALE NALUMANGO, MP DURING THE OFFICIAL OPENING OF THE 42ND COMESA COUNCIL OF MINISTERS MEETING https://www.comesa.int/speech-by-her-honour-the-vice-president-of-the-republic-of-zambia-mrs-w-k-mutale-nalumango-mp-during-the-official-opening-of-the-42nd-comesa-council-of-ministers-meeting/" in Comesa, 9 November 2021.