Santisuk, Thawatchai, and Kongkanda Chayamarit. “Professor Kai Larsen (1921–2012)”. Thai Forest Bulletin (Botany), no. 40 (November 24, 2014): 1. Accessed April 19, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24116.