Pisamai Chantuma, Sornprach Thanisawanyangkura, Poonpipope Kasemsap, Phillipe Thaler and Eric Gohet (2007) “Increase in Carbohydrate Status in the Wood and Bark Tissues of Hevea brasiliensis by Double-cut Alternative Tapping System”, Agriculture and Natural Resources. Bangkok, Thailand, 41(3), pp. 442–450. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244264 (accessed: 8 October 2026).