Determination Of Formaldehyde In Tofu From Ciputat Traditional Market With Colorimetry Method. Jurnal Kimia Valensi, [S. l.], v. 2, n. 2, 2011. DOI: 10.15408/jkv.v2i2.204. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/204. Acesso em: 28 oct. 2025.