Prisuwan, Prakas, and Songkrod Sriprasarn. “Digital Measurement of Percentage of Rice Grain’s Whiteness”. Engineering and Applied Science Research 31, no. 2 (March 5, 2013): 107–121. accessed June 17, 2025. https://ph01.tci-thaijo.org/index.php/easr/article/view/6706.