F. O. Ezeokoli, M. I. Okongwu, and D. O. Fadumo. “Adaptability of COVID-19 Safety Guidelines in Building Construction Sites in Anambra State, Nigeria”. Archives of Current Research International, vol. 20, no. 4, June 2020, pp. 69–77, doi:10.9734/acri/2020/v20i430191.