Debnath, A. et al. 2022. Iodine level and Hardness in Drinking Water in Selected Areas of Howrah and Purba Medinipur District, West Bengal state of India. Indian Journal of Physiology and Allied Sciences. 74, 3 (Sep. 2022), 22–24. DOI:https://doi.org/10.55184/ijpas.v74i3.67.