Pawadee Methacanon, Ubolrat Weerawatsophon, Monnapat Thainthongdee, and Porntip Lekpittaya. “Optimum Conditions for Selective Separation of Kraft Lignin”. Agriculture and Natural Resources 44, no. 4 (August 30, 2010): 680–690. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/244976.