Firdaus Rosyida, F., and A. Kholifatannisaul. “Analisis Vitamin C Pada Suplemen Menggunakan Titrasi Asam Basa: Analysis of Vitamin C In Supplements Using Acid-Base Titration”. Jurnal Inovasi Farmasi Indonesia (JAFI), vol. 5, no. 2, June 2024, pp. 94-97, https://ojs.unik-kediri.ac.id/index.php/jalapa/article/view/5629.