Udompetaikul, Vasu, Kittisak Phetpan, and Panmanas Sirisomboon. 2022. “Evaluation of informative spectral wavelengths for estimating soluble solids content in sugarcane billets”. Engineering and Applied Science Research 49 (4):581-86. https://ph01.tci-thaijo.org/index.php/easr/article/view/247290.