Chowdhury, Fahim Subhan, Zaman, Sojib Bin, Mahmood, Shakeel. Scientific Scholar LLC; 2018. Access to water and awareness about the unsafe water in rural Bangladesh.

Zaman, Sojib Bin, Hossain, Naznin, Mehta, Varshil, Sharmin, Shuchita, Mahmood, Shakeel. Scientific Scholar LLC; 2017. An association of total health expenditure with GDP and life expectancy.