APA Style

delwar, D, F, B. (2021). Rational use of face mask among general people in selected urban and rural area of bangladesh during COVID-19 pandemic: observational study . BSMMU: Dr.Chowdhury farheen binte delwar.

MLA Style

delwar, Dr.Chowdhury, Farheen, Binte. "Rational use of face mask among general people in selected urban and rural area of bangladesh during COVID-19 pandemic: observational study". BSMMU: Dr.Chowdhury farheen binte delwar, 2021. Thesis.