NUGRAHANI, Maria Bestanika; LISTYARINI, Risnita Vicky. Development of Universal Indicator from Organic Waste Material. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 9, n. 4, p. 1765–1771, 2023. DOI: 10.29303/jppipa.v9i4.1567. Disponível em: https://www.jppipa.unram.ac.id/index.php/jppipa/article/view/1567. Acesso em: 28 mar. 2024.