O. Anngela, A. Muadifah, dan D. P. Nugraha, “Validasi Metode Penetapan Kadar Boraks pada Kerupuk Puli Menggunakan Spektrofotometer UV-Vis: Validation of Methods of Borax Concentrations Determination in Puli Crackers Using a UV-Vis Spectrophotometer”, J. Sains. Kes, vol. 3, no. 4, hlm. 375–381, Agu 2021, Diakses: Sep 19, 2026. Tersedia pada: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/248