ROSYIDI, M. R. .; NARTO. Study Experimental the Quality of Tombstones by Utilizing Coconut Fiber Using Seven Tools. Spektrum Industri, [S. l.], v. 20, n. 2, p. 79–90, 2022. DOI: 10.12928/si.v20i2.74. Disponível em: https://journal3.uad.ac.id/index.php/spektrum/article/view/74. Acesso em: 1 may. 2024.