Is the groundwater of Dhaka city, Bangladesh contaminated with naturally occurring potential toxic elements? - Tajwar, Mahir; Rahman, Mahfuzur; Shreya, Shamiha Shafinaz; Sakib, Nazmus; Gazi, Md. Yousuf; Hasan, Mahmudul; Samm-A, Anika; Zahid, Anwar (Frontiers in Environmental Science, 2025)