“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”. African Journal of Biomedical Research, c. 24, sy 3, Eylül 2021, ss. 443-50, https://ojshostng.com/index.php/ajbr/article/view/1718.