Barros, S. V. dos S. ., Higuchi, N. ., Nascimento, C. C. do ., Araújo, R. D. de ., & Filho, F. de S. P. . (2019). Wave Propagation Technology in Non-destructive assays for Wood Qualifying in Tropical Amazon. International Journal for Innovation Education and Research, 7(8), 259-274. https://doi.org/10.31686/ijier.vol7.iss8.1673