M. Nithya, K. Bhuvaneswari, and S. Senthil. “Quasi Class Q(N), Quasi Class Q*(N) and M-Quasi K-Paranormal Composite Multiplication Operators on the Complex Hilbert Space”. International Journal of Mathematics And Its Applications, vol. 11, no. 2, May 2023, pp. 89-99, http://ijmaa.in/index.php/ijmaa/article/view/1083.