«Knowledge, adherence to non-pharmaceutical interventions, and impact of COVID-19 lockdown among traders in Ibadan, Nigeria: Knowledge and adherence to non-pharmaceutical interventions among traders in Ibadan», AJBR, libk. 24, zenb. 3, or. 443–450, ira. 2021, Eskuratua: 2026(e)ko ekainaren 13(e)an. [Sarean]. Available at: https://www.ojshostng.com/index.php/ajbr/article/view/1718