Ahmed, R., V. .- un-. Nisa, M. Hussain, R. Tanwir, and S. A. Qureshi. “MONITORING OF FLUORIDE AND IODIDE LEVELS IN DRINKING WATER USING ION SELECTIVE ELECTRODES”. The Nucleus, vol. 41, no. 1-4, July 2020, pp. 51-58, http://202.83.167.189/index.php/Nucleus/article/view/1065.