Thamarai, P, and Dr K.Adalarasu. “An Effective Method to Denoiseeeg, ECG and PPG Signals Based on Meyer Wavelet Transform”. International Journal of Engineering and Technology, vol. 7, no. 3.34, Sept. 2018, pp. 678-83, https://doi.org/10.14419/ijet.v7i3.34.19415.