VITRIA, Rikki; SANUSI, Hilmi; HAMID, Roszilah. Possibility of Finding The Fundamental Frequency of Concrete Specimen by using Multi-Impact Loading. International Journal on Advanced Science, Engineering and Information Technology, [S. l.], v. 1, n. 4, p. 433–435, 2011. DOI: 10.18517/ijaseit.1.4.88. Disponível em: https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/88. Acesso em: 22 jul. 2024.