ANINDHITA, Rizky; HARISMAH, Kun. Development of Natural Materials Gondorukem with Petroleum Ether, Anchor with Water as Fossil Conservation Materials. Prosiding University Research Colloquium, [S. l.], p. 22–29, 2021. Disponível em: https://repository.urecol.org/index.php/proceeding/article/view/1768. Acesso em: 18 may. 2024.