2023. Gambaran Kadar Vitamin C Pada Minuman Sari Lemon (Citrus limon) Dengan Metode Spektrofotometri UV – VIS Di Kota Samarinda. Borneo Journal of Science and Mathematics Education. 3, 1 (Feb. 2023), 47–57. DOI:https://doi.org/10.21093/bjsme.v3i1.6097.