Phansomboon, S. ., S. . Jenweerawat, V. . Keeratinijakal, and P. . Supprung. “Dye Rubber Content in Latex Analyzer by Fourier-Transformed Transflectance Near Infrared Spectroscopy”. Koch Cha Sarn Journal of Science, vol. 42, no. 2, Dec. 2021, pp. 1-11, https://li01.tci-thaijo.org/index.php/kochasarn/article/view/253119.