List of Articles Variational principle Open Access Article Abstract Page Full-Text 1 - Frequency Analysis of Embedded Orthotropic Circular and Elliptical Micro/Nano-Plates Using Nonlocal Variational Principle A Anjomshoa A.R Shahidi S.H Shahidi H Nahvi 20.1001.1.20083505.2015.7.1.2.3 Open Access Article Abstract Page Full-Text 2 - Variational Principle and Plane Wave Propagation in Thermoelastic Medium with Double Porosity Under Lord-Shulman Theory R Kumar R Vohra M.G Gorla 20.1001.1.20083505.2017.9.2.15.2 Open Access Article Abstract Page Full-Text 3 - Variational Principle, Uniqueness and Reciprocity Theorems in Porous Piezothermoelastic with Mass Diffusion R Kumar P Sharma 20.1001.1.20083505.2016.8.2.16.6