SYAHIDAH, .; CAHYONO, T. D. PENDUGAAN KEKAKUAN KAYU BORNEO DENGAN METODE GELOMBANG ULTRASONIK . PERENNIAL, [S. l.], v. 6, n. 1, p. 20-24, 2010. DOI: 10.24259/perennial.v6i1.193. Disponível em: http://journal.unhas.ac.id/index.php/perennial/article/view/193. Acesso em: 3 may. 2024.