Vadeesirisak, C., S. Chayabutra, and J. S. Sirirak. “Utilization of Duck Eggshell Powder as Natural Adsorbent for the Removal of Acid and Basic Dye from Water”. Burapha Science Journal, vol. 26, no. 2 May-August, Mar. 2026, pp. 837-51, https://li05.tci-thaijo.org/index.php/buuscij/article/view/1429.