Bilal Eneizan, Hussein Alhawamdeh, Kashif Arif, Alnoor Alhamzah, Odai Enaizan, “Preventive Practices to Avoid Novel Coronavirus-COVID-19 at Marketplace during Lockdown in Developing Countries”, IJAST, vol. 29, no. 05, pp. 6593 - 6596, May 2020.