Tipsod, N. ., W. Santalunai, J. Posom, A. Phuphaphud, and K. . Saengprachatanarug. “The Low cost spectrometer for estimation of dry matter in fresh cassava tuber”. Agricultural and Biological Engineering, vol. 1, no. 4, Sept. 2024, pp. 108-12, https://ph04.tci-thaijo.org/index.php/abe/article/view/5800.