Sulistyani, Martin, Nuril Huda, Ridho Prasetyo, and Mohammad Alauhdin. “Calibration of Microplate Uv-Vis Spectrophotometer for Quality Assurance Testing of Vitamin C Using Calibration Curve Method”. Indonesian Journal of Chemical Science 12, no. 2 (August 26, 2023): 204-211. Accessed May 20, 2024. https://journal.unnes.ac.id/sju/ijcs/article/view/72451.