Aplikasi Urease dari Biji Kacang Tolo (Vigna unguiculata ssp unguiculata L.) untuk Biosensor Urea. Jurnal Kimia Valensi, [S. l.], v. 5, n. 1, p. 115–123, 2019. DOI: 10.15408/jkv.v5i1.8776. Disponível em: https://journal.uinjkt.ac.id/valensi/article/view/8776. Acesso em: 25 oct. 2025.