Chomtip Pornpanomchai, Supolgaj Rimdusit, Piyawan Tanasap, and Chutpong Chaiyod. “Thai Herb Leaf Image Recognition System (THLIRS)”. Agriculture and Natural Resources, vol. 45, no. 3, June 2011, pp. 551-62, https://li01.tci-thaijo.org/index.php/anres/article/view/245332.