Dler Hussein Kadir, Rebaz Othman Yahya, Azhin Muhammed Khudhur, and Taha Hussein Ali. “Data De-Noise for Multivariate T2 and S-Charts Using Multivariate Wavelets”. Zanco Journal of Human Sciences, vol. 28, no. 6, Dec. 2024, pp. 343-60, doi:10.21271/zjhs.28.6.19.