List of Articles Non-destructive test (NDT) Open Access Article Abstract Page Full-Text 1 - Non Destructive Evaluation of Glass-Epoxy Composite using Impact-echo Method MohammadMahdi Amiri M. Tabatabaee Ghomi Gh. Liaghat Open Access Article Abstract Page Full-Text 2 - Reliability and limitations of Impact-Echo Method for Thickness Measurement of Orthotropic Composite Plates M. Amiri M. Tabatabaee Ghomi Gh. Liaghat