Amartya De, Nilanjana Roy, Rajdip Saha, Ankita Mukhopadhyay, Pallab dasgupta, and Dipanjana Ash. 2022. “Repurposing Covid-19 Drug : Current Issues”. International Journal of Pharma and Bio Sciences 13 (1):9-16. https://doi.org/10.22376/ijpbs.2022.13.1.P9-16 .