Masawat, P., T. Kammuk, N. Riteaim, and T. Khanwong. “Determination of Phosphate in Pork by Digital Image Colorimetry Compared with UV-Visible Spectrophotometry”. Burapha Science Journal, vol. 29, no. 2 May-August, Aug. 2024, pp. 853-68, https://li05.tci-thaijo.org/index.php/buuscij/article/view/232.