E.K.Arulkarthick, M.Santhosh, S.Saravanan, A.Sivasundar, & R.Sudharsanam. (2018). Boiler drum level controller using Microcontroller . International Journal of Intellectual Advancements and Research in Engineering Computations, 6(1), 41–46. Retrieved from https://ijiarec.com/ijiarec/article/view/400