Published notes T S L Radhika (2021), "2021-Radhika, T. S. L. - Notes on Frobenius method," https://www.simiode.org/resources/8785.

T.S.L. Radhika, T. K. V. Iyengar and T. RajaRani, Approximate Analytical Methods for Solving Ordinary Differential Equations, Boca Raton: CRC Press, Taylor and Francis Group, 2015.

Published a book chapter in Advances in Applied Science and Technology,     Vol. 6. (Print-ISBN Number: 978-93-89246-74-2 e-ISBN Number: 978-93-89246-75-9), 2019.