PRATIWI, Henny. MORPHOLOGICAL AND MECHANICAL PROPERTIES OF MT. KELUD VOLCANIC ASH REINFORCED POLYESTER AND EPOXY COMPOSITES. Jurnal Teknik Mesin (Journal Of Mechanical Engineering), Jakarta, Indonesia, v. 6, n. 2, p. 108–113, 2017. DOI: 10.22441/jtm.v6i2.1189. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jtm/article/view/1189. Acesso em: 3 jun. 2026.