“The Quantitative Analysis of Formaldehyde Content in Tuna Using Chromatropic Acid Reagent : Analisis Kandungan Formalin Pada Sampel Ikan Tongkol Di Pasar LKMK Siwalankerto Surabaya”. Journal Pharmasci (Journal of Pharmacy and Science), vol. 8, no. 2, July 2023, pp. 151-8, https://doi.org/10.53342/pharmasci.v8i2.370.