”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” (2021) African Journal of Biomedical Research, 24(3), s. 443–450. Saatavissa: https://ojshostng.com/index.php/ajbr/article/view/1718 (Viitattu: 25 huhtikuuta 2026).