“A Study on the First Eigenvalue of the P-Laplacian and Critical Sets of Harmonic Functions by Defining Geometric P-Laplacian on Riemannian Manifolds: Exploring the Spectrum and Critical Sets of Harmonic Functions on Riemannian Manifolds”. Journal of Advances and Scholarly Researches in Allied Education, vol. 18, no. 2, Mar. 2021, pp. 121-5, https://ignited.in/jasrae/article/view/13053.