List of Articles Two-parameters foundations Open Access Article Abstract Page Full-Text 1 - Free Vibration Analysis of Nonlinear Circular Plates Resting on Winkler and Pasternak Foundations M.G Sobamowo S.A Salawu 10.22034/jsm.2019.1866236.1423 20.1001.1.20083505.2020.12.1.8.4