Arum Setyowati, Retno Wigajatri Purnamaningsih. “Optical Device Configuration of Water Content Measurement on the Green Tea Blend”. International Journal of Advanced Science and Technology 29, no. 4s (March 23, 2020): 2084 - 2098. Accessed October 7, 2022. https://sersc.org/journals/index.php/IJAST/article/view/8411.