Md. Bazlar Rashid, Md. Rubel Sheik, A.J.M. Emdadul Haque, Md. Ahosan Habib and Kamrul Ahsan 2025. Drinking Water Insecurity in the Coastal Parts of Mirsharai, Sonagazi and Companiganj Areas of Bangladesh: Water Quality Analysis : Drinking Water Insecurity in the Coastal Parts of Mirsharai, Sonagazi and Companiganj Areas of Bangladesh: Water Quality Analysis . International Journal of Economic and Environmental Geology. 16, 2 (Apr. 2025), 1–11. DOI:https://doi.org/10.46660/ijeeg.v16i2.547.