Okondu, Ogechukwu, Emmanuel, Khadija Abubakar, Maitanmi Julius Olatade, Akingbade Oluwadamilare, Adesuyi Emmanuel O, Olugasa Babasola, Anyanwu Favour Chiamaka, Ekezie Modestina Amuche, Ifediora Uchenna Loveth, Arulogun, Oyedunni S, and Okondu Chinedu Worlu. 2022. “Behavioural Risk-Factors Associated With the Use of Facemask During Covid-19 Pandemic Lockdown Period in Nigeria: Online-Based Survey”. Student’s Journal of Health Research Africa 3 (12). Africa:11. https://doi.org/10.51168/sjhrafrica.v3i12.221.